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.

Category: FASHION DESIGNERS 
Clue: This Palm Beach designer of bright prints got started when she needed clothes that hid fruit juice stains
lilly pulitzer

Category: FLAGS 
Clue: Christopher Columbus' flag bore a cross with their initials on either side
ferdinand & isabella

Category: GIVE ME A "HAND" 
Clue: In a William Ross Wallace work, this phrase precedes "is the hand that rules the world"

the hand that rocks the cradle