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_57 (opponent VARCHAR, score VARCHAR, tournament VARCHAR)
  ### Question:
  What is the Opponent of the Banja Luka Tournament with a Score of 4–6, 4–6?
  ### Answer:
  SELECT opponent FROM table_name_57 WHERE score = "4–6, 4–6" AND tournament = "banja luka"