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.

Q: Category: BLASTS FROM THE PAST 
Clue: Many treasures have been excavated from this royal valley (in Egypt)

A: valley of the kings
****
Q: Category: STARRY NIGHT 
Clue: The helix nebula is in this constellation, whose "arm" holds 5 stars suggesting a water pitcher

A: aquarius
****
Q: Category: ASIAN GEOGRAPHY 
Clue: This region in the northeast, also called Tungpei, or "the northeast", is a "candidate" for having China's best forests

A:
manchuria
****