user: Question: What's the average Grid for a Maserati with less than 80 laps, and a Time/Retired of +2 Laps?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Stirling Moss', 'Cooper - Climax', 80.0, '2:19:33.7', 7.0]
SQL:

assistant: SELECT AVG("Grid") FROM "Table" WHERE "Laps" < 80.0 AND "Constructor" = 'Maserati' AND "Time/Retired" = '+2 Laps';