CREATE TABLE table_train_163 ("id" NUMBER, "pulse_oximetry" NUMBER, "hemoglobin_a1c_hba1c" FLOAT, "body_weight" FLOAT, "allergy_to_adhesive" BOOLEAN, "creatinine_clearance_cl" FLOAT, "NOUSE" FLOAT)

pulse oximetry < 90 %
SELECT * FROM table_train_163 WHERE pulse_oximetry < 90
SELECT * FROM "table_train_163" WHERE "pulse_oximetry" < 90