Sharing my solution - Any Steelers fans in here?

var totalQuestions = 5; // Total number of questions
var correctAnswers = 0; // Number of correctly answered questions
var playerRank = ""; // Player rank
var messageCorrect = "That's the correct answer. Your score is "; // Message for correct answer
var messageIncorrect = "Sorry - the answer is NOT correct. Your score is "; // Message for incorrect answer

//  QUIZ Questions::

//  1st Question - "Who wears #84 for the Pittsburgh Steelers?".

var qst1 = prompt("Who wears #84 for the Pittsburgh Steelers?"); // Ask for name of Steelers player
qst1 = qst1.toLowerCase(); // Convert input to lowercase for comparison-simplicity

if (qst1 === "antonio brown" || qst1 === "brown"){ // Check fullname or lastname of Steeler
    correctAnswers += 1; // If true, add 1 to correctAnswers
    alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score

} else if (qst1 === "antonio"){ // If only firstname provided
    var qstLastName = prompt("What is the players last name?"); // Ask player for lastname
    if (qstLastName === "brown") { // Check lastname
        correctAnswers += 1; // If true, add 1 to correctAnswers
        alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }
    else {
        alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }

} else {
    alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
}

//  2nd Question - "Who wears #81 for the Pittsburgh Steelers?".

var qst2 = prompt("Who wears #81 for the Pittsburgh Steelers?"); // Ask for name of Steelers player
qst2 = qst2.toLowerCase(); // Convert input to lowercase for comparison-simplicity

if (qst2 === "jesse james" || qst2 === "james"){ // Check fullname or lastname of Steeler
    correctAnswers += 1; // If true, add 1 to correctAnswers
    alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score

} else if (qst2 === "jesse"){ // If only firstname provided
    var qstLastName = prompt("What is the players last name?"); // Ask player for lastname
    if (qstLastName === "james") { // Check lastname
        correctAnswers += 1; // If true, add 1 to correctAnswers
        alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }
    else {
        alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }

} else {
    alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
}

//  3rd Question - "Who wears #7 for the Pittsburgh Steelers?".

var qst3 = prompt("Who wears #7 for the Pittsburgh Steelers?"); // Ask for name of Steelers player
qst3 = qst3.toLowerCase(); // Convert input to lowercase for comparison-simplicity

if (qst3 === "ben roethlisberger" || qst3 === "roethlisberger"){ // Check fullname or lastname of Steeler
    correctAnswers += 1; // If true, add 1 to correctAnswers
    alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score

} else if (qst3 === "ben"){ // If only firstname provided
    var qstLastName = prompt("What is the players last name?"); // Ask player for lastname
    if (qstLastName === "roethlisberger") { // Check lastname
        correctAnswers += 1; // If true, add 1 to correctAnswers
        alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }
    else {
        alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }

} else {
    alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
}

//  4th Question - "Who wears #92 for the Pittsburgh Steelers?".

var qst4 = prompt("Who wears #92 for the Pittsburgh Steelers?"); // Ask for name of Steelers player
qst4 = qst4.toLowerCase(); // Convert input to lowercase for comparison-simplicity

if (qst4 === "james harrison" || qst4 === "harrison"){ // Check fullname or lastname of Steeler
    correctAnswers += 1; // If true, add 1 to correctAnswers
    alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score

} else if (qst4 === "james"){ // If only firstname provided
    var qstLastName = prompt("What is the players last name?"); // Ask player for lastname
    if (qstLastName === "harrison") { // Check lastname
        correctAnswers += 1; // If true, add 1 to correctAnswers
        alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }
    else {
        alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }

} else {
    alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
}

//  5th Question - "Who wears #50 for the Pittsburgh Steelers?".

var qst5 = prompt("Who wears #50 for the Pittsburgh Steelers?"); // Ask for name of Steelers player
qst5 = qst5.toLowerCase(); // Convert input to lowercase for comparison-simplicity

if (qst5 === "ryan shazier" || qst5 === "shazier"){ // Check fullname or lastname of Steeler
    correctAnswers += 1; // If true, add 1 to correctAnswers
    alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score

} else if (qst5 === "ryan"){ // If only firstname provided
    var qstLastName = prompt("What is the players last name?"); // Ask player for lastname
    if (qstLastName === "shazier") { // Check lastname
        correctAnswers += 1; // If true, add 1 to correctAnswers
        alert(messageCorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }
    else {
        alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
    }

} else {
    alert(messageIncorrect + correctAnswers + " of " + totalQuestions); // Display message + score
}

// All questions have been answered. Player will recieve rank based on score.

switch(correctAnswers) { // Determine rank based on correctAnswers
    case 1: // If correctAnswers = 1
        playerRank = "Waterboy";
        break;
    case 2: // If correctAnswers = 2
        playerRank = "Rookie";
        break;
    case 3: // If correctAnswers = 3
        playerRank = "Pro";
        break;
    case 4: // If correctAnswers = 4
        playerRank = "All-Star";
        break;
    case 5: // If correctAnswers = 5
        playerRank = "Hall of Famer";
        break;
    default:
        playerRank = "Assistant to the Waterboy";
        break;
}

alert("You have been assigned the following rank: " + playerRank); // Display rank