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

[Q]: What nationality was Che Guevara?
[A]: che guevara


[Q]: July 1938 saw the first ascent of the North Face of which Alpine mountain?
[A]: alps


[Q]: Sir Edmund Barton became the first prime minister of which country in 1901?
[A]:
edmund barton