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

### Instruction:
What is Date, when Result is Loss, and when Method is Submission (Armbar)?

### Inputs:
table_name: table, columns: ['Result', 'Record', 'Opponent', 'Method', 'Date', 'Round', 'Location', 'Notes']

### Response:
SELECT Date FROM table WHERE Result = loss AND Method = submission (armbar)