user: Question: Which Grid is the highest one that has a Rider of colin edwards, and Laps smaller than 28?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Valentino Rossi', 'Yamaha', 28.0, '44:30.799', 4.0]
SQL:

assistant: SELECT MAX("Grid") FROM "Table" WHERE "Rider" = 'colin edwards' AND "Laps" < 28.0;