instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What is the SI unit of capacitance?
answer:
capacitance


question:
What famous song from the film Butch Cassidy and the Sundance Kid won an Oscar for best song?
answer:
academy award for best original song


question:
Which chemical element can take the form of diamond or graphite?
answer:

diamond