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: WHAT A CARD! 
Clue: Ken Jennings used these briefly displayed items to get ready to play "Jeopardy!"
[A]: flashcards


[Q]: Category: MARVEL 
Clue: This Marvel superhero is King of Atlantis
[A]: sub-mariner


[Q]: Category: IF AT FIRST YOU DON'T SUCCEED... 
Clue: In 1754 at Fort Necessity, his first major military command brought the one surrender of his career--& to the French!
[A]:
george washington