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_27573848_18 (mountains_classification VARCHAR, winner VARCHAR)
  ### Question:
  If the winner is Rui Costa, who made the mountains classification?
  ### Answer:
  SELECT mountains_classification FROM table_27573848_18 WHERE winner = "Rui Costa"