user: Question: What is the total number of Seasons, when the Engine is cosworth, and when the Team is kraco racing?
Columns: ['Season', 'Date', 'Location', 'Driver', 'Chassis', 'Engine', 'Team']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1987.0, 'October 31', 'Tamiami Park', 'Bobby Rahal', 'Lola', 'Cosworth', 'Truesports']
SQL:

assistant: SELECT COUNT("Season") FROM "Table" WHERE "Engine" = 'cosworth' AND "Team" = 'kraco racing';