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

### Instruction:
Performer 1 of greg proops, and a Performer 3 of ryan stiles, and a Date of 25 august 1995 is which average episode?

### Inputs:
table_name: table, columns: ['Date', 'Episode', 'Performer 1', 'Performer 2', 'Performer 3', 'Performer 4']

### Response:
SELECT AVG Episode FROM table WHERE Performer 1 = greg proops AND Performer 3 = ryan stiles AND Date = 25 august 1995