CREATE TABLE table_name_77 (samples_failed NUMBER, product VARCHAR2, samples_taken VARCHAR2)

What the most samples failed for and had less than 1 samples taken?
SELECT MAX(samples_failed) FROM table_name_77 WHERE product = "可淇牌嬰幼兒配方乳粉" AND samples_taken < 1
SELECT MAX("samples_failed") FROM "table_name_77" WHERE "product" = "可淇牌嬰幼兒配方乳粉" AND "samples_taken" < 1