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_11240028_3 (last_appearance VARCHAR, character VARCHAR)
  ### Question:
  What episode was the last appearance of the character, rikki sandoval?
  ### Answer:
  SELECT last_appearance FROM table_11240028_3 WHERE character = "Rikki Sandoval"