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

[Q]: What is the capital of the US state of California?
[A]: california


[Q]: In which wars did the battles of Towton and Barnet take place?
[A]: battle of barnet


[Q]: What was the only western that Brigitte Bardot appeared in (it was based on a book by Louis L'Amour)?
[A]:
brigitte bardot