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: HE WAS IN THAT? 
Clue: In 1969, in his pre-"Phantom" days, he played Cornelius Hackl in the film version of "Hello, Dolly!"

SOLUTION: michael crawford

PROBLEM: Category: 10 
Clue: This teenage tennis goddess is often escorted by older Russian hockey players

SOLUTION: anna kournikova

PROBLEM: Category: 18th CENTURY LITERATURE 
Clue: "It's Not Unusual" to just "Help Yourself" to this 1749 Henry Fielding classic

SOLUTION:
"tom jones"