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: "BLACK" MOVIES 
Clue: This 1979 Disney sci-fi film starring Maximilian Schell was nominated for an Oscar for Visual Effects
the black hole

Category: PITTSBURGH STEELERS, PIRATES & PENGUINS 
Clue: Thomas Henderson said this Steeler QB "couldn't spell cat if you spotted him the C & the A", but he still won 4 Super Bowls
terry bradshaw

Category: SCIENCE 
Clue: Cytology is the study of these biological building blocks

cells