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]: When is the last time liverpool won the premier league?
[A]: 1989-90


[Q]: In which country did an event occur that led to the 2011 arab spring?
[A]: Tunisia


[Q]: Where's the raiders stadium in las vegas?
[A]:
Paradise, Nevada