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.
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Question: Category: WORLD GEOGRAPHY 
Clue: This capital city is situated in the Judean Hills

Answer: jerusalem


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

Answer: thorium


Question: Category: WHO'S YOUR DADDY? 
Clue: Horse-loving Princess Anne

Answer:
prince philip