instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Mr Barkis, Edward Murdstone and Tommy Traddles are all characters in which Charles Dickens novel?
answer:
charles dickens

question:
What was the name of country music's first superstar who died at the age of 29 from drink and drug abuse?
answer:
country music

question:
What name was first applied to the group Cream when they formed in the early sixties?
answer:
cream