TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: In March 1992 'Deeply Dippy' was the only number one hit for which group?

SOLUTION: deeply dippy

PROBLEM: Which jockey rode Red Alligator to victory in the 1968 Grand National?

SOLUTION: red alligator

PROBLEM: In the children's television programme, who is the voice of Bob the Builder's father?

SOLUTION:
bob the builder