user: Question: Tell me the total number of grid for laps of 52
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Ayrton Senna', 'McLaren - Ford', 71.0, '1:51:15.485', 3.0]
SQL:

assistant: SELECT SUM("Grid") FROM "Table" WHERE "Laps" = 52.0;