Question: Le Rêve is a stage production in residence at the Wynn Las Vegas casino resort, Dragone, who was the director behind which water-themed stage production by Cirque du Soleil, a Canadian circus and entertainment company, since October 1998?
{'answer': 'O', 'supporting_facts': [['Le Rêve (show)', 3], ['O (Cirque du Soleil)', 0]]}