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_81 (winner VARCHAR, type VARCHAR, date VARCHAR)
### Question:
Who was the winner with a mountain stage type on 22 May?
### Answer:
SELECT winner FROM table_name_81 WHERE type = "mountain stage" AND date = "22 may"