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

[EX Q]: Chelsea won the 2009 FA Cup final 2-1.  Who were the beaten finalists?
[EX A]: 2009 fa cup final

[EX Q]: Which of the American Idol judges has been there for all 10 seasons?
[EX A]: american idol

[EX Q]: Pirate Edward Teach was better known by what nickname?
[EX A]:
edward teach