user: Question: How many laps were completed by piers courage when brm was the constructor and the grid is larger than 8?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jackie Stewart', 'Matra - Ford', 14.0, '2:19:03.2', 6.0]
SQL:

assistant: SELECT SUM("Laps") FROM "Table" WHERE "Constructor" = 'brm' AND "Driver" = 'piers courage' AND "Grid" > 8.0;