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

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

[EX Q]: Which American city has baseball-playing 'Dodgers'?
[EX A]: los angeles dodgers

[EX Q]: In which was the Battle of Tewkesbury fought?
[EX A]:
battle of tewkesbury