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: THEOLOGY 
Clue: It's a verb meaning "to choose for office" & a noun meaning those chosen to enter heaven
elect

Category: "X" IN THE CITY 
Clue: Famous for temple ruins, this city on the site of Thebes has been called "The World's Greatest Open-Air Museum"
luxor

Category: LASTS 
Clue: This author of "The Last Days of Pompeii" advised Dickens to give "Great Expectations" a happier ending

edward bulwer-lytton