Question: The drivers' world championship of the 1990 World Rally Championship was won by Carlos Sainz ahead of Didier Auriol and a Finnish rally driver who won how many world rallies?
{'answer': '23', 'supporting_facts': [['1990 World Rally Championship', 0], ['1990 World Rally Championship', 2], ['Juha Kankkunen', 0], ['Juha Kankkunen', 2]]}