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

[EX Q]: Which biologist was known as Darwin's Bulldog?
[EX A]: charles darwin

[EX Q]: Will you still be sending me a valentine is a line from which Beatles song?
[EX A]: the beatles

[EX Q]: Which football team play home games at Bloomfield Road?
[EX A]:
bloomfield road