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_2417445_4 (reason_for_vacancy VARCHAR, successor VARCHAR)
  ### Question:
  When rudolph kleberg (d) is the successor is the reason for vacancy?
  ### Answer:
  SELECT reason_for_vacancy FROM table_2417445_4 WHERE successor = "Rudolph Kleberg (D)"