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

Input: Consider Input: Who played Captain Jean-Luc Picard in the television series 'Star-Trek: The Next Generation'?

Output: jean-luc picard


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

Output: bible


Input: Consider Input: Which of the actors who portrayed Dr Who, famous from the UK TV series of the same name, appeared almost exclusively on radio, film, written works, and comic strips?


Output: doctor who