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_23982399_12 (challenger VARCHAR, winner VARCHAR)
  ### Question:
  Who was the challenger when winner was kimio nonaga?
  ### Answer:
  SELECT challenger FROM table_23982399_12 WHERE winner = "Kimio Nonaga"