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

[EX Q]: In America, as what was Bill Shoemaker famous?
[EX A]: bill shoemaker

[EX Q]: Who played Captain Jean-Luc Picard in the television series 'Star-Trek: The Next Generation'?
[EX A]: jean-luc picard

[EX Q]: Built in 1869, what type of ship is the Cutty Sark, which was put on public display in 1954 and is preserved in dry dock in Greenwich, London, UK?
[EX A]:
cutty sark