table: 1-1139087-2
columns: Rd., Grand Prix, Date, Location, Pole Position, Fastest Lap, Winning Driver, Constructor, Report
Q: How many events did nigel mansell drive the fastest and a mclaren - honda win?
A: SELECT COUNT Grand Prix FROM 1-1139087-2 WHERE Constructor = 'McLaren - Honda' AND Fastest Lap = 'Nigel Mansell'