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_2159547_3 (reason_for_change VARCHAR, vacator VARCHAR)
  ### Question:
  Why did Robert L. Bacon (r) vacate?
  ### Answer:
  SELECT reason_for_change FROM table_2159547_3 WHERE vacator = "Robert L. Bacon (R)"