CREATE TABLE table_train_7 ("id" INT, "bleeding" INT, "hypotension" BOOLEAN, "burn_injury" INT, "hypoperfusion" BOOLEAN, "hypertension" BOOLEAN, "age" FLOAT, "lactate" INT, "NOUSE" FLOAT)

at least 18 years of age
SELECT * FROM table_train_7 WHERE age >= 18
SELECT * FROM "table_train_7" WHERE "age" >= 18