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

[EX Q]: Ashgabat is the capital of which country, a former Soviet republic in Asia?
[EX A]: ashgabat

[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]: Who hosted Call My Bluff?
[EX A]:
call my bluff