instruction:
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.
question:
When did the last episode of seinfeld air?
answer:
May 14, 1998


question:
Do zebras have white stripes or black stripes?
answer:
black and the white stripes and bellies are additions


question:
When did crater lake become a national park?
answer:

May 22, 1902