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

[EX Q]: What is the name of cities in Argentina and Spain that are both capitals of provinces of the same name?
[EX A]:
argentina