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.

[EX Q]: Of the five Marx brothers who appeared on film, who was the oldest ?
[EX A]: chico

[EX Q]: Kirk Douglas played the title role in which 1960 film about Roman slaves?
[EX A]: spartacus

[EX Q]: What was the surname of the French brothers who invented the hot - air balloon in the 18'th century ?
[EX A]:
montgolfier brothers