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 (number_at_march VARCHAR, class VARCHAR)
  ### Question:
  Name the number at march when class is j66
  ### Answer:
  SELECT number_at_march FROM table_15608800_2 WHERE class = "J66"