Database: real_estate_rentals
Question: Return the zip codes for properties not belonging to users who own two or fewer properties.
SQL:
SELECT T1.zip_postcode FROM Addresses AS T1 JOIN Properties AS T2 ON T1.address_id  =  T2.property_address_id WHERE T2.owner_user_id NOT IN ( SELECT owner_user_id FROM Properties GROUP BY owner_user_id HAVING count(*)  <=  2 );