Question: Can you tell me the average Laps that has the Time of +17.485, and the Grid smaller than 7?
SQL: SELECT AVG("Laps") FROM "2-16218598-3" WHERE "Time" = '+17.485' AND "Grid" < 7.0;

Question: Can you tell me the sum of Grid that has the Manufacturer of Aprilia, and the Sandro Cortese?
SQL: SELECT SUM("Grid") FROM "2-16218598-3" WHERE "Manufacturer" = 'Aprilia' AND "Rider" = 'Sandro Cortese';