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 Ref_document_types (document_type_code VARCHAR, document_type_name VARCHAR, document_type_description VARCHAR)
  ### Question:
  Show all document type codes, document type names, document type descriptions.
  ### Answer:
  SELECT document_type_code, document_type_name, document_type_description FROM Ref_document_types