instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
On which island is Nassau, the capital of the Bahamas?
answer:
nassau


question:
Name Alfred Hitchcock's first sound film as director?
answer:
alfred hitchcock


question:
 'Down and Out in Paris and London' was written by which British author?
answer:

down and out in paris and london