user: Question: What is the average Grid for the Rider toni elias with Laps more than 30?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Casey Stoner', 'Ducati', 30.0, '46:46.114', 1.0]
SQL:

assistant: SELECT AVG("Grid") FROM "Table" WHERE "Rider" = 'toni elias' AND "Laps" > 30.0;