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]: The sixth and first strings of a guitar are tuned to which note?
[EX A]: e

[EX Q]: James Dougherty, born on April 12th 1921 was an American police officer who rose to fame for being the first husband of which famous woman?
[EX A]: marilyn monroe

[EX Q]: What was the location of London's famous 17th century 'Frost Fairs'?
[EX A]:
river thames