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

### Instruction:
what's the most recent year that samantha stosur was the opponent with 20 aces and having played more than 2 sets?

### Inputs:
table_name: table, columns: ['Aces', 'Player', 'Opponent', 'Year', 'Event', 'Sets', 'Result']

### Response:
SELECT MAX Year FROM table WHERE Aces = 20 AND Opponent = samantha stosur AND Sets > 2