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_25 (date_of_vacancy VARCHAR, position_in_table VARCHAR, outgoing_manager VARCHAR)
  ### Question:
  what is the date of vacancy when the position in table is 16th and the outgoing manager is russell slade?
  ### Answer:
  SELECT date_of_vacancy FROM table_name_25 WHERE position_in_table = "16th" AND outgoing_manager = "russell slade"