CREATE TABLE table_train_30 ("id" NUMBER, "serum_potassium" FLOAT, "hyperkalemia" BOOLEAN, "renal_disease" BOOLEAN, "cardiopulmonary_resuscitation" BOOLEAN, "receiving_vasopressor" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

known hyperkalemia ( serum potassium > 5.5 ) ;
SELECT * FROM table_train_30 WHERE hyperkalemia = 1 OR serum_potassium > 5.5
SELECT * FROM "table_train_30" WHERE "hyperkalemia" = 1 OR "serum_potassium" > 5.5