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

[EX Q]: Charlie Chaplin who died on Christmas Day in 1977, co founded which film studio along with Mary Pickford, Douglas Fairbanks?
[EX A]: douglas fairbanks

[EX Q]: In what story of Arthur C. Clarke do Tibetan monks seek to list all the names of God as they believe He will bring the Universe to an end once this is done?
[EX A]: arthur c. clarke

[EX Q]: Chad Kroeger is the lead singer of which band?
[EX A]:
chad kroeger