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

[EX Q]: Which musical has the songs 'Another Suitcase In Another Hall' and 'Oh What A Circus'?
[EX A]: another suitcase in another hall

[EX Q]: What is the county town of Derbyshire?
[EX A]: derbyshire

[EX Q]: Joey, Chandler and Ross are all characters from which US television series?
[EX A]:
ross geller