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:
How old is was the oldest person to ever live?
answer:
122 years, 164 days


question:
Where is the world's oldest mini golf course found?
answer:
4083 Culver Rd., Sea Breeze, New York


question:
Who topped the forbes world's billionaires list 2017?
answer:

William Henry Gates III