Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What event was the opponent Karl Knothe and had a submission (rear naked choke)?

### Inputs:
table_name: table, columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round']

### Response:
SELECT Event FROM table WHERE Method = submission (rear naked choke) AND Opponent = karl knothe