CREATE TABLE table_train_252 ("id" INT, "gender" TEXT, "pregnancy_or_lactation" BOOLEAN, "fasting_plasma_glucose_fpg" FLOAT, "hemoglobin_a1c_hba1c" FLOAT, "hba1c" FLOAT, "serum_creatinine" FLOAT, "metformin" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

glycated hemoglobin a1c ( hba1c ) > 6.5 % and <= 9 % at screening. if the first hba1c value does not meet eligibility criterion
SELECT * FROM table_train_252 WHERE hba1c > 6.5 AND hemoglobin_a1c_hba1c <= 9
SELECT * FROM "table_train_252" WHERE "hba1c" > 6.5 AND "hemoglobin_a1c_hba1c" <= 9