instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What name is given to the Fourth (4th) movement in Beethoven's / Ninth (9th) Symphony?
answer:
ludwig van beethoven


question:
What hit song by the Crash Test Dummies comprised four three-letter words all containing the same letter?
answer:
crash test dummies


question:
What is the one word title of the 2010 drama series, co- written by Steven Moffat, which starred Benedict Cumberbatch in the title role, supported by Martin Freeman?
answer:

cumberbatch