Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
--------
Question: What did Banting and Best discover in 1921?

Answer: charles herbert best


Question: Brasilia is the capital but which city in Brazil has the largest population?

Answer: brazil


Question: Dainik Jagran is (at 2014) India's, and perhaps the world's, most popular?

Answer:
dainik jagran