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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: TOM JONES 
Clue: Tom was born the son of a coal miner in Pontypridd in this U.K. country

SOLUTION: wales

PROBLEM: Category: U.S. BODIES OF WATER 
Clue: You'll find the Big Branch National Wildlife Refuge on the shore of this big lake in Louisiana

SOLUTION: lake pontchartrain

PROBLEM: Category: ARCHAEOLOGY 
Clue: Carved in 196 B.C., its text was written by priests to honor Ptolemy V

SOLUTION:
the rosetta stone