In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Example Input: Who is known as the father of indian nuclear programme?
Example Output: Homi Jehangir Bhabha

Example Input: When did fast and furious tokyo drift come out?
Example Output: June 16, 2006

Example Input: Who was the first greek explorer to reach the arctic?
Example Output:
Pytheas of Massalia