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_13836704_6 (rank VARCHAR, freight___metric_tonnes__ VARCHAR)
  ### Question:
  What is the rank of the airport with a  freight ( metric tonnes ) of 23791?
  ### Answer:
  SELECT rank FROM table_13836704_6 WHERE freight___metric_tonnes__ = 23791