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:
Of the five Marx brothers who appeared on film, who was the oldest ?
answer:
chico

question:
Who starred in the title role of the film version of J B Priestley's play An Inspector Calls?
answer:
alastair sim

question:
In which country was Grinling Gibbons born?
answer:
holland