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.

[EX Q]: Category: BLASTS FROM THE PAST 
Clue: Many treasures have been excavated from this royal valley (in Egypt)
[EX A]: valley of the kings

[EX Q]: Category: THE INSTRUMENT OF DEATH 
Clue: In 1793 Jean-Paul Marat was retired in the bath with one of these
[EX A]: a knife

[EX Q]: Category: IT'S A PLANE! 
Clue: The Gossamer Albatross was the first plane powered by one of these to cross the English Channel
[EX A]:
person