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]: Graca Machel, the widow of a President of Mozambique, is the wife of which famous man?
[EX A]: nelson mandela

[EX Q]: In September 1990, Geoffrey Palmer resigned as Prime Minister of which country?
[EX A]: new zealand

[EX Q]: Who wrote `Frankenstein`?
[EX A]:
mary shelley