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 table_name_7 (southbridge VARCHAR, model VARCHAR)
  ### Question:
  What shows for Southbridge when the Model number is amd-640 chipset?
  ### Answer:
  SELECT southbridge FROM table_name_7 WHERE model = "amd-640 chipset"