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_name_60 (fatalities VARCHAR, tail_number VARCHAR)
  ### Question:
  How many fatalities occurred for an unknown tail number?
  ### Answer:
  SELECT fatalities FROM table_name_60 WHERE tail_number = "unknown"