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.
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Question: Category: 2-LETTER WORDS 
Clue: It's used to attract attention to something sighted on a ship, like land or a sail

Answer: ho


Question: Category: PEOPLE IN HISTORY 
Clue: Executed in 1587, she was the last reigning queen of Scotland

Answer: mary, queen of scots


Question: Category: MOVIE PORTRAYALS 
Clue: This boxing champ of the '40s was portrayed by Paul Newman in "Somebody Up There Likes Me"

Answer:
rocky graziano