Ricardo Zonta ไปได้กี่รอบ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many laps did Ricardo Zonta have?It is not neccessary to use all the tables.
 table_name_69:  (laps [ INTEGER ] driver [ VARCHAR) ]
SELECT SUM(laps) FROM table_name_69 WHERE driver = "ricardo zonta"