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:
Cricketer Herschelle Gibbs was born in which country?
answer:
south africa


question:
In the 2012 film 'Les Miserables', who plays Jean Valjean?
answer:
hugh jackman


question:
Limestone is a rock primarily composed of which chemical compound?
answer:

calcium carbonate