ใครคือผู้ผลิต loris capirossi และ ralf waldmann ?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
who is the manufacturer for loris capirossi and ralf waldmann ?It is not neccessary to use all the tables.
 table_203_244:  id [ number]  "pos" [ text]  "rider" [ text]  "manufacturer" [ text]  "time/retired" [ text]  "points" [ number] 
SELECT "manufacturer" FROM table_203_244 WHERE "rider" IN ('loris capirossi', 'ralf waldmann')