user: Question: How many laps did chuck stevenson have with a grid of less than 11?
Columns: ['Grid', 'Driver', 'Constructor', 'Qual', 'Rank', 'Laps', 'Time/Retired']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'text']
Sample row: [7.0, 'Troy Ruttman', 'Kuzma - Offenhauser', 135.36, 18.0, 200.0, '3:52:41.88']
SQL:

assistant: SELECT SUM("Laps") FROM "Table" WHERE "Driver" = 'chuck stevenson' AND "Grid" < 11.0;