Detailed Instructions: In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
Q: Context: Still sad that Jay had to leave but @jimmyfallon is an awesome replacement! What a cool class act! Way to go Jimmy... #FallonTonight Chris Eyres (@ChrisPuraVida) February 18, 2014 Answer: jimmy fallon
A:
what cool class act replaced jay?