CREATE TABLE table_train_166 ("id" INT, "hemoglobin_a1c_hba1c" FLOAT, "diabetic" TEXT, "body_mass_index_bmi" FLOAT, "NOUSE" FLOAT)

body mass index maximum 40 kg / m^2
SELECT * FROM table_train_166 WHERE body_mass_index_bmi < 40
SELECT * FROM "table_train_166" WHERE "body_mass_index_bmi" < 40