Get dataset.

def get_dataset(self):
        """Get dataset."""
        sample = self._header.initial.players[0].attributes.player_stats
        if 'mod' in sample and sample.mod['id'] > 0:
            return sample.mod
        elif 'trickle_food' in sample and sample.trickle_food:
            return {
                'id': 1,
                'name': mgz.const.MODS.get(1),
                'version': '<5.7.2'
            }
        return {
            'id': 0,
            'name': 'Age of Kings: The Conquerors',
            'version': '1.0c'
        }