TASK DEFINITION: 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.
PROBLEM: Category: BASEBALL & THE PRESIDENCY 
Clue: As both vice president & president, he threw out a season's 1st pitch, each time for a different Senators franchise

SOLUTION: richard nixon

PROBLEM: Category: ANCIENT ARTIFACTS 
Clue: Some of its text says, "The decree should be writen on a stela of hard stone, in sacred writing, document writing & Greek writing"

SOLUTION: the rosetta stone

PROBLEM: Category: SHAKESPEAREAN TRAGEDY CHARACTERS 
Clue: To the consternation of the title character, we learn that this character was born by C-section

SOLUTION:
macduff