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_56 (week INTEGER, result VARCHAR)
  ### Question:
  Name the average week for result of l 28–17
  ### Answer:
  SELECT AVG(week) FROM table_name_56 WHERE result = "l 28–17"