Database: vehicle_driver
Question: What are the vehicle ids and models of the vehicle which have been driven by two drivers or been manufactured by 'Ziyang'.
SQL:
SELECT T1.vehicle_id ,  T1.model FROM vehicle AS T1 JOIN vehicle_driver AS T2 ON T1.vehicle_id  =  T2.vehicle_id GROUP BY T2.vehicle_id HAVING count(*)  =  2 OR T1.builder  =  'Ziyang'