Script does not run unless the last "else" statement is an "else if"

Hello everyone, I am running into an issue where the last else statement returns error "Uncaught SyntaxError: Unexpected token {" unless I change it to an else if. Then it run just fine. Any idea why? Thanks everyone.

// quiz begins, no answers correct var correct = 0;

// ask questions var answer1 = prompt("Name a programming language that is also a gem"); if (answer1.toUpperCase() === 'RUBY') { correct += 1; } var answer2 = prompt("Name a programming language taht is also a snake"); if (answer2.toUpperCase() === "PYTHON") { correct += 1; } var answer3 = prompt("What language do you style a webpage in?"); if (answer3.toUpperCase() === "CSS") { correct += 1; } var answer4 = prompt("What language do you use to build the structure of web pages?"); if (answer4.toUpperCase() === 'HTML') { correct += 1; } var answer5 = prompt("What language do you use to add interactivity to a web page?"); if (answer5.toUpperCase() === "JAVASCRIPT") { correct += 1; }

//output results document.write("<p>You got " + correct + " out of five.<p>");

// output rank if (correct === 5) { document.write("<p>Great job you earned a gold crown!!<p>"); } else if (correct >= 3) { document.write("<p> Good job you earned a silver crown!<p>"); } else if (correct >= 1) { document.write("<p> You earned a bronze crown. Keep studying. <p>"); } else (correct === 0) { document.write("<p>No crown for you, best hit those books.<p>"); }