instruction:
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.
question:
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
answer:
the holy grail


question:
Category: ROYALTY 
Clue: It's the name of today's longest-ruling family in Europe, in power for most of the last 711 years
answer:
grimaldi


question:
Category: U.S. HISTORY 
Clue: In 1965 President Johnson flew to this state to sign the Medicare bill with a former president as witness
answer:

missouri