CREATE TABLE table_train_18 ("id" NUMBER, "with_cardiac_pacemaker" BOOLEAN, "neuromuscular_disease" BOOLEAN, "diabetic_polyneuropathy" BOOLEAN, "body_mass_index_bmi" FLOAT, "age" FLOAT, "NOUSE" FLOAT)

body mass index ( bmi ) <= 35 kg / m2,
SELECT * FROM table_train_18 WHERE body_mass_index_bmi <= 35
SELECT * FROM "table_train_18" WHERE "body_mass_index_bmi" <= 35