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.

For which film did Gary Cooper win Best Actor Oscar in 1941?
alvin c. york

Which novelist, with a three letter surname, wrote the novels 'The Name of the Rose' and 'Foucault's Pendulum'?
umberto eco

What is the third letter of the Greek alphabet?
gamma