CREATE TABLE table_train_6 ("id" NUMBER, "bleeding" NUMBER, "systolic_blood_pressure_sbp" NUMBER, "mean_arterial_pressure_map" NUMBER, "active_infection" BOOLEAN, "hypotension" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

age < 18
SELECT * FROM table_train_6 WHERE age < 18
SELECT * FROM "table_train_6" WHERE "age" < 18