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: MEN OF SCIENCE 
Clue: On a scale of 1 to 10, his "Earthquakes" article for the 15th edition of Encyclopedia Britannica was a 10

Answer: richter


Question: Category: REMEMBER 2009? 
Clue: In November 2009 President Obama hosted a town hall meeting with students live from this Chinese city

Answer:
shanghai