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: THE FILM VAULT 
Clue: Sidney Poitier starred in the 1961 film version of this Lorraine Hansberry drama about a black Chicago family

SOLUTION: a raisin in the sun

PROBLEM: Category: TELEVISION 
Clue: Ray Walston was the Martian while the "my" in "My Favorite Martian" referred to him

SOLUTION: bill bixby

PROBLEM: Category: THE INTERNATIONAL LANGUAGE OF MATH 
Clue: A whole number is either composite, with factors other than itself & 1, or this type

SOLUTION:
prime