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.

Input: Consider Input: Category: '60s ROCK 
Clue: In July 1967 this group's "Light My Fire" became Elektra Records' first No. 1 single

Output: the doors


Input: Consider Input: Category: COOL "AID" 
Clue: Purchased ahead of time, like some legal services

Output: prepaid


Input: Consider Input: Category: HATS 
Clue: Some speculated that this 1865 literary character was illustrated to resemble Prime Minister William Gladstone


Output: the mad hatter