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 customer (cust_name VARCHAR, acc_bal VARCHAR)
  ### Question:
  List the name of all customers sorted by their account balance in ascending order.
  ### Answer:
  SELECT cust_name FROM customer ORDER BY acc_bal