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_2665085_1 (length__ft_ VARCHAR, speed__mph_ VARCHAR)
  ### Question:
  What is the length of the coaster with the unknown speed
  ### Answer:
  SELECT length__ft_ FROM table_2665085_1 WHERE speed__mph_ = "unknown"