instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who directed the 1988 film 'Beetle Juice'?
answer:
beetlejuice


question:
Which group had a top ten hit with 'Driving in My Car' in 1982?
answer:
driving in my car


question:
The 2012 film Argo was directed by which US-born actor?
answer:

argo