ทีมใดมีตัวสร้าง Yamaha ครบทุกรอบ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
What team has a yamaha constructor with all rounds?It is not neccessary to use all the tables.
 table_38938:  "Team" [ text]  "Constructor" [ text]  "Motorcycle" [ text]  "Rider" [ text]  "Rounds" [ text] 
SELECT "Team" FROM table_38938 WHERE "Rounds" = 'all' AND "Constructor" = 'yamaha'