Fix escaping single quote

algorithms_and_computer_science/letters_and_words/README.md

@@ -23,7 +23,7 @@ String.length](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference
 // The > is the REPL prompt. Don't type it!
 > 'hi there'.____; // Replace ____ with working code.
 8
-> 'what's happening?'.____; // Replace ____ with working code.
+> 'what\'s happening?'.____; // Replace ____ with working code.
 17
 ```
 Let's swap some words around. [Docs for

algorithms_and_computer_science/letters_and_words/questions_and_answers.js

@@ -1,5 +1,5 @@
 function getAnswer(entry) {
-  // Put your code here.
+  return entry.split(": ")[1];
 }