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.

[EX Q]: Category: A FASHIONABLE CATEGORY 
Clue: Feline name for the full-body stocking made popular by Diana Rigg on "The Avengers"
[EX A]: a catsuit

[EX Q]: Category: BURNS, BABY, BURNS 
Clue: The poet Robert Burns was born on Jan, 25, 1759 in Alloway, a village on the river Doon in this country
[EX A]: scotland

[EX Q]: Category: A MOLE 
Clue: Instead of counting atoms, chemists simplify with the unit called a mole or this scientist's number
[EX A]:
avagadro