หมายเลข 48 ใช้รถไปกี่คัน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many cars used number 48?It is not neccessary to use all the tables.
 table_20106:  "No" [ real]  "Driver" [ text]  "Entrant" [ text]  "Constructor" [ text]  "Chassis" [ text]  "Engine" [ text] 
SELECT COUNT("Engine") FROM table_20106 WHERE "No" = '48'