CREATE TABLE table_22706 ("Producer" TEXT, "Product" TEXT, "Samples taken" FLOAT, "Samples failed" FLOAT, "Melamine content ( mg/kg ) " TEXT)

Who is the producer of ?
SELECT "Producer" FROM table_22706 WHERE "Product" = '金必氏牌嬰幼兒配方乳粉'
SELECT "Producer" FROM "table_22706" WHERE "Product" = '金必氏牌嬰幼兒配方乳粉'