What event was the opponent Karl Knothe and had a submission (rear naked choke)?
CREATE TABLE table_name_16 (
    event VARCHAR,
    method VARCHAR,
    opponent VARCHAR
)
SELECT event FROM table_name_16 WHERE method = "submission (rear naked choke)" AND opponent = "karl knothe"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What event was the opponent Karl Knothe and had a submission (rear naked choke)? ### Input: CREATE TABLE table_name_16 (
    event VARCHAR,
    method VARCHAR,
    opponent VARCHAR
) ### Response: SELECT event FROM table_name_16 WHERE method = "submission (rear naked choke)" AND opponent = "karl knothe"