What are the forenames and surnames of drivers who participated in the races named Australian Grand Prix but not the races named Chinese Grand Prix?
select t3.forename, t3.surname from races as t1 join results as t2 on t1.raceid = t2.raceid join drivers as t3 on t2.driverid = t3.driverid where t1.name = "Australian grand Prix" except select t3.forename, t3.surname from races as t1 join results as t2 on t1.raceid = t2.raceid join drivers as t3 on t2.driverid = t3.driverid where t1.name = "Chinese grand Prix"