Pere Riba ขี่ไปกี่รอบ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many laps did pere riba ride?It is not neccessary to use all the tables.
 table_76503:  "Rider" [ text]  "Manufacturer" [ text]  "Laps" [ real]  "Time/Retired" [ text]  "Grid" [ real] 
SELECT SUM("Laps") FROM table_76503 WHERE "Rider" = 'pere riba'