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

According to the bible, Zaccariah was the father of which New Testament figure?
bible

Who was re-elected Prime Minister of Canada in May 2011?
prime minister of canada

The final of which sport at the 1900 Olympics in Paris attracted 6,000 spectators, the largest crowd at any event at that Olympics?
1900 summer olympics