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 did the last episode of seinfeld air?
[EX A]: May 14, 1998

[EX Q]: The strain season 4 episode 10 air date?
[EX A]: September 17, 2017

[EX Q]: How many ivy league schools are there in the united states?
[EX A]:
eight