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.

[Q]: Ethanol and isopropyl are types of what?
[A]: alcohol


[Q]: In the 2012 film 'Les Miserables', who plays Jean Valjean?
[A]: hugh jackman


[Q]: Which calendar was different from its predecessor because leap years did not fall on years divisible by 100 unless they were also divisible by 400?
[A]:
gregorian calendar