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

Example Input: Which instrument was Benny Goodman famous for playing?
Example Output: benny goodman

Example Input: The film Schindler's List was based on whose Booker Prize winning novel of 1982?
Example Output: schindler's list

Example Input: The Dakar Rally (previously known as the Paris Dakar rally) is an annual event, but of which country is Dakar the capital city?
Example Output:
dakar