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_39 (stroke VARCHAR, max_power VARCHAR)
### Question:
What stroke has a max power of 109 ps(80kw)@4000 rpm?
### Answer:
SELECT stroke FROM table_name_39 WHERE max_power = "109 ps(80kw)@4000 rpm"