Strict equality "===" doesn't recognize right answer

// 1. Create a multidimensional array to hold quiz questions and answers

let questions = [
  ["This should be 'y'? y/n","y"],
  ["This should be 34? y/n",34],
  ["This should be 'y'? y/n","y"]
];

// 2. Store the number of questions answered correctly

let score = 0;

/* 
  3. Use a loop to cycle through each question
      - Present each question to the user
      - Compare the user's response to answer in the array
      - If the response matches the answer, the number of correctly
        answered questions increments by 1
*/

for (let i = 0; i < questions.length; i++) {

  let answer = prompt(questions[i][0]);
  if ( answer == questions[i][1]) {
    score += 1;
    console.log(score);    
  }
}

// 4. Display the number of correct answers to the user

let html = `
  <h1>You scored <strong>${score}</strong>/3 points</h1>
`;

document.querySelector('main').innerHTML = html;