instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Who wrote and starred in the comedy series It's A Square World?
answer:
michael bentine

question:
In Greek mythology who was the mother of Zeus, Poseidon and Hades?
answer:
rhea

question:
In 1839, the estate of the late British scientist James Smithson made a large cash donation to the United States. After 8 years of congressional wrangling, what institution finally arose from the donation?
answer:
smithsonian institution