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_1997759_1 (registration VARCHAR, first_flew VARCHAR)
  ### Question:
  what is the registration located on 31 january 1975 where first flew?
  ### Answer:
  SELECT registration FROM table_1997759_1 WHERE first_flew = "31 January 1975"