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_17355743_1 (directed_by VARCHAR, written_by VARCHAR)
  ### Question:
  Name who directed the episode by joe sachs and david zabel
  ### Answer:
  SELECT directed_by FROM table_17355743_1 WHERE written_by = "Joe Sachs and David Zabel"