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: NATIONAL GEOGRAPHIC 
Clue: The Vogalonga, an annual regatta seen here, takes place in this city

SOLUTION: venice

PROBLEM: Category: POP "I" 
Clue: We have a feeling you'll know that it was the first single from Jewel's "0304" CD

SOLUTION: intuition

PROBLEM: Category: ACTORS & THEIR ROLES 
Clue: Robert Preston & Bernadette Peters starred in this musical as Mack Sennett & Mabel Normand

SOLUTION:
"mack and mabel"