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: AMERICAN DATEBOOK 
Clue: On October 4, 1957 Sputnik was launched & this Jerry Mathers TV show premiered

SOLUTION: leave it to beaver

PROBLEM: Category: WE HAVE THE TECHNOLOGY 
Clue: Smile!  In 1888 this American introduced the first simple consumer camera to use roll film

SOLUTION: eastman

PROBLEM: Category: MYTHOLOGY 
Clue: This Norse god known for his great strength was a protector of peasants & farmers

SOLUTION:
thor