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_27720737_1 (series__number INTEGER, directed_by VARCHAR)
  ### Question:
  What is the highest series # directed by ken whittingham?
  ### Answer:
  SELECT MAX(series__number) FROM table_27720737_1 WHERE directed_by = "Ken Whittingham"