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_64 (rider VARCHAR, bike VARCHAR, time VARCHAR, laps VARCHAR, grid VARCHAR)
### Question:
Who was the rider riding the Kawasaki ZX-6r, that rode less than 22 laps, and the grid was greater than 19, and retirement was the time?
### Answer:
SELECT rider FROM table_name_64 WHERE laps < 22 AND grid > 19 AND time = "retirement" AND bike = "kawasaki zx-6r"