You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: HISTORIC FACES 
Clue: This man shared a Nobel Prize with his wife Marie
pierre curie

Category: BEHIND THE SCENES AT THE 2008 OLYMPICS 
Clue: A journalist for ITN was detained & manhandled for covering a "pro-" this region protest held early in the Olympics
tibet

Category: SOUTH AMERICAN GEOGRAPHY 
Clue: This Peruvian city was founded in 1535; Villa El Salvador, a squatter's camp of 350,000 on its outskirts, in 1971

lima