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

[EX Q]: In which city will the 2014 Tour de France begin?
[EX A]: 2014 tour de france

[EX Q]: Which of North America's Great Lakes has the same name as a province of Canada?
[EX A]: canada

[EX Q]: Alma Reville who died in 1982 was the wife and collaborator of which famous British character who was knighted in 1980 ?
[EX A]:
alma reville