user: Question: What is the lowest grid number that a race took place doing more than 21 laps?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Valentino Rossi', 'Honda', 21.0, '34:22.335', 1.0]
SQL:

assistant: SELECT MIN("Grid") FROM "Table" WHERE "Laps" > 21.0;