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.

[EX Q]: Category: THEOLOGY 
Clue: It's a verb meaning "to choose for office" & a noun meaning those chosen to enter heaven
[EX A]: elect

[EX Q]: Category: SCIENCE & NATURE 
Clue: Developed by astronomer A.E. Douglass, dendrochronology determines age in this way
[EX A]: counting tree rings

[EX Q]: Category: INTERNET FAVORITES 
Clue: Thousands of prisoners in the Philippines re-enacted the moves of the video of this Michael Jackson hit
[EX A]:
"thriller"