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

[EX Q]: Field Marshal Arthur Wellesley, shares his better known title with which Southern Hemisphere capital city?
[EX A]: arthur wellesley, 1st duke of wellington

[EX Q]: Betty Driver played which role in Coronation Street?
[EX A]: betty driver

[EX Q]: Which is the main red grape of Chianti wine?
[EX A]:
chianti