CREATE TABLE table_train_271 ("id" INT, "renal_disease" BOOLEAN, "hepatic_disease" BOOLEAN, "smoking" BOOLEAN, "coronary_artery_disease_cad" BOOLEAN, "serum_creatinine" FLOAT, "body_mass_index_bmi" FLOAT, "myocardial_infarction" BOOLEAN, "NOUSE" FLOAT)

coronary artery disease ( cad ) : documented by history of myocardial infarction
SELECT * FROM table_train_271 WHERE coronary_artery_disease_cad = 1 OR myocardial_infarction = 1
SELECT * FROM "table_train_271" WHERE "coronary_artery_disease_cad" = 1 OR "myocardial_infarction" = 1