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.

Category: BRAIN STRAIN 
Clue: Appropriately, this stadium has hosted the NFL Super Bowl more than any other
louisiana superdome

Category: SEX CHANGES 
Clue: Don't let the pearls fool you, these lady bivalves can change into males when it suits them
oysters

Category: OFFICIAL STATE THINGS 
Clue: When Virginia got a state one of these animals, the gov.'s office released a poem that mentioned Adam West

bat