Question: Where is the address 15873 located, in what city and state? Does that city belong to a province where the code exists?
SQL: SELECT T2.City, T1.Name, T1.IsOnlyStateProvinceFlag FROM StateProvince AS T1 INNER JOIN Address AS T2 ON T1.StateProvinceID = T2.StateProvinceID WHERE T2.AddressID = 15873