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

[EX Q]: Which English classic horse race for 3 year olds held at Doncaster every September began in 1776?
[EX A]: doncaster racecourse

[EX Q]: Allopurinol is typically prescribed for which illness?
[EX A]: allopurinol

[EX Q]: Which is the only country to share borders with just Brazil and Surinam?
[EX A]:
brazil