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_27683516_3 (team VARCHAR, date_of_vacancy VARCHAR)
  ### Question:
  How many dates of vacancy were on 30 october 2010?
  ### Answer:
  SELECT COUNT(team) FROM table_27683516_3 WHERE date_of_vacancy = "30 October 2010"