CREATE TABLE table_train_23 ("id" NUMBER, "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)

fio2 at time of study inclusion > 0.7
SELECT * FROM table_train_23 WHERE fio2 > 0.7
SELECT * FROM "table_train_23" WHERE "fio2" > 0.7