Jo Bonnier ขับไปกี่รอบเมื่อหมายเลขกริดน้อยกว่า 11?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many laps did Jo Bonnier driver when the grid number was smaller than 11?It is not neccessary to use all the tables.
 table_51480:  "Driver" [ text]  "Constructor" [ text]  "Laps" [ real]  "Time/Retired" [ text]  "Grid" [ real] 
SELECT SUM("Laps") FROM table_51480 WHERE "Driver" = 'jo bonnier' AND "Grid" < '11'