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.

[Q]: Category: HARRISON FORD 
Clue: 1 of the 4 characters Ford has played more than once on film
[A]: han solo, jack ryan, indiana jones or bob


[Q]: Category: THE ELEMENTS 
Clue: Most fluorescent lights are filled with a combination of argon & this element, Kr
[A]: krypton


[Q]: Category: ERIE COINCIDENCE 
Clue: The water in this river flows 35 miles from Lake Erie to Lake Ontario
[A]:
niagara river