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_91 (icao VARCHAR, city VARCHAR)
  ### Question:
  What is the IcAO of Frankfurt?
  ### Answer:
  SELECT icao FROM table_name_91 WHERE city = "frankfurt"