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

[EX Q]: Who was re-elected Prime Minister of Canada in May 2011?
[EX A]: prime minister of canada

[EX Q]: What was the first Apollo mission to leave Earth orbit and orbit the moon, in 1968?
[EX A]: apollo

[EX Q]: Which German author, most famous for his anti-war novel 'All Quiet On The Western Front', was born on June 22nd. 1898?
[EX A]:
all quiet on the western front