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_2 (flight_day VARCHAR, artist VARCHAR)
  ### Question:
  On what flight day was U2 played?
  ### Answer:
  SELECT flight_day FROM table_name_2 WHERE artist = "u2"