CREATE TABLE table_train_227 ("id" NUMBER, "gender" CLOB, "diabetic" CLOB, "allergic_to_study_products" BOOLEAN, "hba1c" FLOAT, "a1c" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

have an hba1c lvel < 9 % at screening
SELECT * FROM table_train_227 WHERE hba1c < 9
SELECT * FROM "table_train_227" WHERE "hba1c" < 9