Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Which team lost the 2009 Superbowl to the Pittsburgh Steelers?
[EX A]: super bowl xliii

[EX Q]: Which two brothers had hits with Cathy's Clown and Wake Up Little Susie?
[EX A]: cathy's clown

[EX Q]: Who wrote the music and lyrics to the musical `Anything Goes`?
[EX A]:
anything goes