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: THE WHITE HOUSE 
Clue: When electric lights were installed in 1891, this pres., afraid of being shocked, wouldn't operate the switches
benjamin harrison

Category: WE GET LETTERS 
Clue: This cable television network uses an exclamation point in its name
e!

Category: BET YOU DIDN'T SEE THAT ONE COMING 
Clue: In 1533 this Spaniard got a healthy ransom for Atahualpa but surprise! executed the Incan ruler anyway

pizarro