instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who had a 2000 hit with Country Grammar?
answer:
country grammar


question:
Which actress played Arwen in the trilogy of films?
answer:
arwen


question:
Which book by Andrea Levy was the Booker Prize winner of the year in 2004?
answer:

andrea levy