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

[Q]: Which major river has its source at the confluence of the rivers Brigach and Breg in the Black Forest?
[A]: breg

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

[Q]: Which girl band had a 2005 hit with Dont Cha?
[A]:
don't cha