Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Forty hours before he committed suicide in 1945 Adolf Hitler married whom?

Answer: adolf hitler


Question: What is the name of the co-founder of Apple Computers who died in October 2011?

Answer: apple inc.


Question: In which autonomous region of Spain are the cities of Cadiz and Cordoba?

Answer:
cordoba