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_29566686_1 (clubs_involved VARCHAR, leagues_entering_at_this_round VARCHAR)
  ### Question:
  How many different values of clubs involved were there when the league entering at this round was allsvenskan?
  ### Answer:
  SELECT COUNT(clubs_involved) FROM table_29566686_1 WHERE leagues_entering_at_this_round = "Allsvenskan"