CREATE TABLE table_train_23 ("id" INT, "in_another_study" BOOLEAN, "immune_suppression" BOOLEAN, "hiv_infection" BOOLEAN, "fio2" FLOAT, "head_injury" BOOLEAN, "heart_disease" BOOLEAN, "steroid_therapy" BOOLEAN, "chemotherapy" BOOLEAN, "edema" BOOLEAN, "NOUSE" FLOAT)

severe head trauma with edema
SELECT * FROM table_train_23 WHERE head_injury = 1 AND edema = 1
SELECT * FROM "table_train_23" WHERE "edema" = 1 AND "head_injury" = 1