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

[EX Q]: What highly influential movement of artwork is considered established by Picasso, Braque, Metzinger and others in Paris, 1911?
[EX A]: jean metzinger

[EX Q]: Which British composer wrote the music used as the theme for Desert Island Discs  He also wrote the Dambusters march and the Knightsbridge march.?
[EX A]: the dam busters

[EX Q]: Who played the first doctor in the UK TV series Dr Who?
[EX A]:
dr. who