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

[Q]: Which cyclist won the first medal for Team GB at the 2012 Olympic Games?
[A]: gb


[Q]: Of which Canadian Province is Labrador a part?
[A]: canada


[Q]: Who played The Joker in the 1989 film Batman?
[A]:
joker