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 simplicity, answers should be in all lower cased letters.
PROBLEM: Category: NORSE MYTHOLOGY
Clue: Among this chief god's names were Bileygr, meaning "shifty-eyed" & Alfador, or "all-father"

SOLUTION: odin

PROBLEM: Category: MILITARY MATTERS
Clue: Major Esterhazy was probably the real spy for the Germans in this French "affair" that began in 1894

SOLUTION: dreyfus affair

PROBLEM: Category: "SH"!
Clue: 2 to 4 feet long, the spiny dogfish is probably the most abundant species of this fish on the U.S. Atlantic Coast

SOLUTION:
shark