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 consistency, answers should be in all lower cased letters.

Q: Category: LARRY KING'S PUBLIC FIGURES 
Clue: I'm all shook up about my next guest & the caller is from his hometown...Tupelo, MS., hello?

A: elvis presley
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Q: Category: SALAD DRESSING 
Clue: This national-named dressing often made with ketchup is found in deli sandwiches

A: russian dressing
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Q: Category: THE ENVIRONMENT 
Clue: These converters help release pollutants from automobile exhaust

A:
catalytic converters
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