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 Input:
Who ordered the translation of the old testament into greek?

Ex Output:
Ptolemy II Philadelphus


Ex Input:
The medical term for a superficial loss of skin as would occur by scratching is?

Ex Output:
abrasion


Ex Input:
Where will the super bowl be played at 2018?

Ex Output:

U.S. Bank Stadium in Minneapolis