Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: What's the name of Doctor Who's home planet ?

A: doctor who
****
Q: Which group had a top ten hit with 'Driving in My Car' in 1982?

A: driving in my car
****
Q: Of which Canadian Province is Labrador a part?

A:
canada
****