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_name_68 (replaced_by VARCHAR, date_of_vacancy VARCHAR)
  ### Question:
  What is Replaced By, when Date of Vacancy is "23 February 2009"?
  ### Answer:
  SELECT replaced_by FROM table_name_68 WHERE date_of_vacancy = "23 february 2009"