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: ON THE ROCKS 
Clue: This rock formed from hardened lava formed the Hawaiian Islands
answer:
basalt


question:
Category: PEOPLE IN HISTORY 
Clue: Executed in 1587, she was the last reigning queen of Scotland
answer:
mary, queen of scots


question:
Category: EGYPTIAN FILM FESTIVAL 
Clue: In 1978's "Death on the Nile", he was in style as Hercule Poirot
answer:

peter ustinov