ใครคือผู้ผลิต Henk Vd Lagemaat?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who is the manufacturer for Henk Vd Lagemaat?It is not neccessary to use all the tables.
 table_44668:  "Rider" [ text]  "Manufacturer" [ text]  "Laps" [ text]  "Time/Retired" [ text]  "Grid" [ text] 
SELECT "Manufacturer" FROM table_44668 WHERE "Rider" = 'henk vd lagemaat'