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

[Q]: What is the SI unit of capacitance?
[A]: capacitance


[Q]: In 1959, for which film did David Niven win his only Academy Award?
[A]: david niven


[Q]: Which American TV legend produced the detective series, FBI, Cannon and Barnaby Jones?
[A]:
the f.b.i.