Question: The raid of the Po Valley in 203 BC was the culmination of a major war, carried out by the Carthaginian commander Mago, son of Hamilcar Barca, at the end of the Second Punic war between Rome and which location, that was a Phoenician city-state, during the 7th to 3rd centuries BC?
{'answer': 'Carthage', 'supporting_facts': [['Po Valley raid', 0], ['Ancient Carthage', 0]]}