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_2147588_4 (date_successor_seated VARCHAR, successor VARCHAR)
  ### Question:
  When john w. leftwich (uu) is the successor what is the date the successor was seated?
  ### Answer:
  SELECT date_successor_seated FROM table_2147588_4 WHERE successor = "John W. Leftwich (UU)"