TASK DEFINITION: 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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: GOING ALPHANUMERIC
Clue: Bingo square coordinate that sounds like a synonym for "not malignant"

SOLUTION: b-9

PROBLEM: Category: VIDEO GAME HISTORY
Clue: id Software says hardcore PC games went mainstream in 1994 when it unleashed this fatal-sounding game

SOLUTION: doom

PROBLEM: Category: BOGIE MEN
Clue: Fred C. Dobbs

SOLUTION:
the treasure of the sierra madre