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_18118221_1 (rank INTEGER, railway_station VARCHAR)
  ### Question:
  What is the lowest rank of Gatwick Airport? 
  ### Answer:
  SELECT MIN(rank) FROM table_18118221_1 WHERE railway_station = "Gatwick Airport"