CREATE TABLE table_train_203 ("id" INT, "gender" TEXT, "perforation" BOOLEAN, "hemoglobin_a1c_hba1c" FLOAT, "peptic_ulcer_disease" BOOLEAN, "serum_c_peptide" FLOAT, "gastrointestinal_disease" BOOLEAN, "serum_creatinine" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

hba1c 6 _ 9 %
SELECT * FROM table_train_203 WHERE hemoglobin_a1c_hba1c >= 6 AND hemoglobin_a1c_hba1c <= 9
SELECT * FROM "table_train_203" WHERE "hemoglobin_a1c_hba1c" <= 9 AND "hemoglobin_a1c_hba1c" >= 6