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.

[EX Q]: When was the last time the us constitution changed?
[EX A]: May 5, 1992

[EX Q]: Who played mr. carter in welcome back carter?
[EX A]: Seth Woodbury MacFarlane

[EX Q]: Where did olly murs come in the x factor?
[EX A]:
runner-up