instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who was the only boxer to win a world title without ever having a manager?
answer:
boxing


question:
Which two brothers had hits with Cathy's Clown and Wake Up Little Susie?
answer:
cathy's clown


question:
Against which country did Britain fight 'The Cod Wars'?
answer:

cod wars