CREATE TABLE table_train_100 ("id" NUMBER, "systolic_blood_pressure_sbp" NUMBER, "stroke" BOOLEAN, "body_weight" FLOAT, "diastolic_blood_pressure_dbp" NUMBER, "rosen_modified_hachinski_ischemic_score" NUMBER, "body_mass_index_bmi" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

each subject must be >= 55 to >= 85 years of age.
SELECT * FROM table_train_100 WHERE age >= 55 AND age <= 85
SELECT * FROM "table_train_100" WHERE "age" <= 85 AND "age" >= 55