Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
--------
Question: Which US president was in office at the start of the Korean War?

Answer: truman


Question: Discovery, Gillyflower and Rome Beauty are types of which fruit?

Answer: apple


Question: Who plays alcoholic John Hancock in the 2008 film 'Hancock'?

Answer:
will smith