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

[EX Q]: What is the name of the US electric car manufacturer, founded in 2003, whose cars include the Model S and the Model X?
[EX A]: tesla model s

[EX Q]: The Battle of Poltava in 1709 was a victory by Peter the Great over which state?
[EX A]: battle of poltava

[EX Q]: Who became manager of Scottish football club Celtic in 2010?
[EX A]:
celtic f.c.