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.

Input: Consider Input: Category: 20th CENTURY AUTHORS
Clue: Ayn Rand once cited this late Mike Hammer author as her favorite popular writer

Output: mickey spillane

Input: Consider Input: Category: POTPOURRI
Clue: This chess piece that usually looks like part of a castle is sometimes called a castle

Output: rook

Input: Consider Input: Category: GENETICS
Clue: Biologists think this degenerative disease of memory loss may be caused by a gene on chromosome 21
Output: alzheimer's disease