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

Q: What was Casanova's occupation at the time of is death?

A: giacomo casanova
****
Q: What was the name of country music`s first superstar who died at the age of 29 from drink and drug abuse?

A: country music
****
Q: In which country are the wine producing regions Huasco Valley and Choapa Valley?

A:
huasco river
****