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_229917_2 (tail_number VARCHAR, brief_description VARCHAR)
  ### Question:
  What's the tail number of the airplane involved in the accident described as crashed?
  ### Answer:
  SELECT tail_number FROM table_229917_2 WHERE brief_description = "Crashed"