List the name of all suppliers in alphabetical order of their addresses.
SELECT T1.supplier_name FROM Suppliers AS T1 JOIN supplier_addresses AS T2 ON T1.supplier_id   =   T2.supplier_id JOIN addresses AS T3 ON T2.address_id   =   T3.address_id ORDER BY T3.address_details
alphabetical order of their addresses refers to ORDER BY address_details; name of all suppliers refers to SELECT supplier_name;