CREATE TABLE table_train_237 ("id" INT, "fasting_c_peptide" FLOAT, "fasting_plasma_glucose" INT, "smoking" BOOLEAN, "body_mass_index_bmi" FLOAT, "serum_25_oh_d_levels" INT, "NOUSE" FLOAT)

body mass index between 18.5 and 26.9 kg / m2
SELECT * FROM table_train_237 WHERE body_mass_index_bmi >= 18.5 AND body_mass_index_bmi <= 26.9
SELECT * FROM "table_train_237" WHERE "body_mass_index_bmi" <= 26.9 AND "body_mass_index_bmi" >= 18.5