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]: What is on top of the space needle?
[A]: observation deck


[Q]: Who was the 20th prime minister of canada?
[A]: Jean Chretien


[Q]: Who plays ian in my big fat greek wedding?
[A]:
John Joseph Corbett