What are the first and last names of all drivers who participated in the Australian Grand Prix but not the 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"
drivers who participated refers to JOIN on driver IDs; Australian Grand Prix participation is identified by WHERE T1.name = 'Australian Grand Prix'; not participating in the Chinese Grand Prix is achieved by EXCEPT operation with a similar structure query for 'Chinese Grand Prix'; first and last names refer to SELECT T3.forename, T3.surname;