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: WORLD LEADERS 
Clue: In a September 18, 1978 speech, he said, "Blessed are the peacemakers"
president jimmy carter

Category: LITERARY OBJECTS 
Clue: In literature from the 1200s to today, it has been depicted as a type of dish, a talismanic stone & a woman
the holy grail

Category: LITERARY CINEMA 
Clue: A silent film of this Russian tale was released in 2 versions: in one, Garbo commits suicide; in the other, Garbo lives

anna karenina