user: Question: What is the average grid for the +2.2 secs time/retired?
Columns: ['Driver', 'Team', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Mario Domínguez', 'Herdez Competition', 40.0, '2:00:06.524', 18.0]
SQL:

assistant: SELECT AVG("Grid") FROM "Table" WHERE "Time/Retired" = '+2.2 secs';