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.

[Q]: Who has the biggest nba contract in history?
[A]: James Harden


[Q]: Voice of optimus prime dark of the moon?
[A]: Peter Claver Cullen


[Q]: When was the first gas powered airplane invented?
[A]:
December 17, 1903