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_15608800_2 (wheel_arrangement VARCHAR, class VARCHAR)
  ### Question:
  Name the number of wheel arrangement when class is d14
  ### Answer:
  SELECT COUNT(wheel_arrangement) FROM table_15608800_2 WHERE class = "D14"