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

[EX Q]: In music, which band consists of Billy Gibbons, Dusty Hill and Frank Beard?
[EX A]: frank beard

[EX Q]: Brothers Richard and Simon Mantell played which sport for England in the 2010 Commonwealth Games?
[EX A]: 2010 commonwealth games

[EX Q]: Which one of the painters as a member of the De Stijl movement?
[EX A]:
de stijl