CREATE TABLE railway_manage (railway_id DECIMAL, manager_id DECIMAL, from_year TEXT)
CREATE TABLE train (train_id DECIMAL, train_num TEXT, name TEXT, from TEXT, arrival TEXT, railway_id DECIMAL)
CREATE TABLE railway (railway_id DECIMAL, railway TEXT, builder TEXT, built TEXT, wheels TEXT, location TEXT, objectnumber TEXT)
CREATE TABLE manager (manager_id DECIMAL, name TEXT, country TEXT, working_year_starts TEXT, age DECIMAL, level DECIMAL)

What is the maximum level of managers in countries that are not 'Australia'?
SELECT MAX(level) FROM manager WHERE country <> "Australia	"
SELECT MAX("level") FROM "manager" WHERE "Australia	" <> "country"