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: THERE'S A WEIGHT 
Clue: At the Kentucky Derby, the horses' equipment & these can weigh no less than 126 lbs. combined

SOLUTION: the weight of the jockey

PROBLEM: Category: LANGUAGES 
Clue: The 2 languages on the Rosetta Stone

SOLUTION: egyptian & greek

PROBLEM: Category: WORLD HISTORY 
Clue: Wladyslaw Gomulka was first secretary of this country's Communist party from 1956-1970

SOLUTION:
poland