CREATE TABLE table_22705 ("Producer" TEXT, "Product" TEXT, "Samples taken" FLOAT, "Samples failed" FLOAT, "Melamine content ( mg/kg ) " TEXT)

What is the smallest amount sampled of product ?
SELECT MIN("Samples taken") FROM table_22705 WHERE "Product" = '蒙牛牌嬰幼兒配方乳粉'
SELECT MIN("Samples taken") FROM "table_22705" WHERE "Product" = '蒙牛牌嬰幼兒配方乳粉'