instruction:
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:
Of the five Marx brothers who appeared on film, who was the oldest ?
answer:
chico

question:
Which novel by Margaret Mitchell was first published in 1936?
answer:
gone with the wind

question:
Which country did Emmelie de Forest represent in winning the 2013 Eurovision Song Contest in Malmo?
answer:
denmark