user: Question: Tell me the total number of Grid for Time/Retired of +2 laps and Laps less than 70
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jacques Villeneuve', 'Williams - Renault', 72.0, '1:36:06.990', 1.0]
SQL:

assistant: SELECT COUNT("Grid") FROM "Table" WHERE "Time/Retired" = '+2 laps' AND "Laps" < 70.0;