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_23117208_3 (no_in_series INTEGER, viewers__millions_ VARCHAR)
  ### Question:
  when the number of spectator are 5.28 millions, which is the smallest number of the episode in series? 
  ### Answer:
  SELECT MIN(no_in_series) FROM table_23117208_3 WHERE viewers__millions_ = "5.28"