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: EUROPEAN CAPITALS 
Clue: Although capital of its country, it is not the capital of the province in which it's located, nor is it the seat of government
amsterdam

Category: QUOTABLE DEFINITIONS 
Clue: Ted Hughes wrote that it's where a child can sit "with the genius of the Earth"
library

Category: THE AFI's 50 GREATEST FILM HEROES 
Clue: Of the 50 on the list, the only character that wasn't portrayed by a human

lassie