TASK DEFINITION: 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.
PROBLEM: Category: LOW COUNTRIES 
Clue: This name of one of the low countries means "low country"

SOLUTION: netherlands

PROBLEM: Category: FISH, BIRD, OR MAMMAL 
Clue: The colobus

SOLUTION: mammal

PROBLEM: Category: "STREET"S 
Clue: This nickname for the Bank of England is over 300 years old

SOLUTION:
"old lady of threadneedle street"