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_20942925_1 (directed_by VARCHAR, _number VARCHAR)
  ### Question:
  How many directors for #15?
  ### Answer:
  SELECT COUNT(directed_by) FROM table_20942925_1 WHERE _number = 15