text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE Customers (Address_ID VARCHAR); CREATE TABLE Addresses (City_Town VARCHAR, Address_ID VARCHAR); CREATE TABLE Performers (Address_ID VARCHAR)
  ### Question:
  Show all cities where at least one customer lives in but no performer lives in.
  ### Answer:
  SELECT T1.City_Town FROM Addresses AS T1 JOIN Customers AS T2 ON T1.Address_ID = T2.Address_ID EXCEPT SELECT T1.City_Town FROM Addresses AS T1 JOIN Performers AS T2 ON T1.Address_ID = T2.Address_ID