CREATE TABLE table_dev_4 ("id" NUMBER, "hypothyroidism" BOOLEAN, "serum_bicarbonate" NUMBER, "c_peptide_level" FLOAT, "autoimmune_disease" BOOLEAN, "hemoglobin_a1c_hba1c" FLOAT, "positive_serum" BOOLEAN, "inhaled_steroids" BOOLEAN, "diabetic_ketoacidosis" BOOLEAN, "creatinine_clearance_cl" FLOAT, "urinary_ketones" BOOLEAN, "admission_blood_glucose" NUMBER, "chronic_inflammatory" BOOLEAN, "asthma" BOOLEAN, "NOUSE" FLOAT)

hemoglobin less than 12 g / dl
SELECT * FROM table_dev_4 WHERE hemoglobin_a1c_hba1c < 12
SELECT * FROM "table_dev_4" WHERE "hemoglobin_a1c_hba1c" < 12