text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_55 (year INTEGER, sets VARCHAR, aces VARCHAR, opponent VARCHAR)
  ### Question:
  what's the most recent year that samantha stosur was the opponent with 20 aces and having played more than 2 sets?
  ### Answer:
  SELECT MAX(year) FROM table_name_55 WHERE aces = 20 AND opponent = "samantha stosur" AND sets > 2