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.
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Question: Josephine Hull best supporting actress Oscar which 1950 film?

Answer: harvey


Question: Leonora is the heroine of which opera premiered in 1805?

Answer: fidelio


Question: On the 21st. July 1961, which American astronaut had in the spacecraft Liberty Bell 7 a flight lasting 15 mins- 37secs; his spacecraft sinking on 'splashdown'?

Answer:
gus grissom