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: ELEMENT NAMES 
Clue: In 1828 a Norse god thundered onto the periodic table in the name of this element, No. 90
thorium

Category: "CAPE"s 
Clue: Although the JFK Space Center was once located here, then Cape Kennedy, it was moved to Merritt Island in 1964
cape canaveral

Category: AMERICAN WOMEN 
Clue: Her book "The Same River Twice: Honoring the Difficult" contains notes on filming "The Color Purple"

alice walker