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: ARE YOU A BETTING MAN? 
Clue: C'mon, one more cherry!  Bally's Las Vegas became the first hotel with a $1,000 one of these

SOLUTION: a slot machine

PROBLEM: Category: SPORTS & MUSIC 
Clue: In July 2010 this Rock & Roll Hall of Famer performed at the Baseball H.O.F. induction ceremonies

SOLUTION: john fogerty

PROBLEM: Category: OPERAS TEENS LOVE 
Clue: The ghosts of Louis XVI & his court return to one of their favorite haunts in "The Ghosts of" this French palace

SOLUTION:
versailles