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

[Q]: What did Banting and Best discover in 1921?
[A]: charles herbert best

[Q]: Who succeeded Henry Cooper as British Heavyweight Boxing Champion?
[A]: boxing

[Q]: Who partnered Andy Murray to win the 2012 Olympic tennis mixed doubles silver medal?
[A]:
andy murray