user: Question: What is the average grid for johnny dumfries with less than 8 laps?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Alain Prost', 'McLaren - TAG', 60.0, '1:32:28.408', 4.0]
SQL:

assistant: SELECT AVG("Grid") FROM "Table" WHERE "Driver" = 'johnny dumfries' AND "Laps" < 8.0;