Question: What is the most common city of all customers with the customer status code "Bad Customer"? | What do you mean by saying the most common city? | The city name that appears the most
SQL: SELECT T2.city FROM Customers AS T1 JOIN Addresses AS T2 ON T1.customer_address_id  =  T2.address_id  where T1.customer_status_code  =  'Bad Customer' GROUP BY T2.city ORDER BY count ( * )  LIMIT 1