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_16 (event VARCHAR, method VARCHAR, opponent VARCHAR)
  ### Question:
  What event was the opponent Karl Knothe and had a submission (rear naked choke)?
  ### Answer:
  SELECT event FROM table_name_16 WHERE method = "submission (rear naked choke)" AND opponent = "karl knothe"