CREATE TABLE table_name_48 (melamine_content_mg_kg_ INT, producer VARCHAR, samples_failed VARCHAR)

What's the most melamine content that has more than 1 samples failed and produced by Guangzhou Jinding Dairy Products Factory?
SELECT MAX(melamine_content_mg_kg_) FROM table_name_48 WHERE producer = "guangzhou jinding dairy products factory" AND samples_failed > 1
SELECT MAX("melamine_content_mg_kg_") FROM "table_name_48" WHERE "guangzhou jinding dairy products factory" = "producer" AND "samples_failed" > 1