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_21804557_18 (mountains_classification VARCHAR, metas_volantes_classification VARCHAR)
### Question:
Who got the mountains classification when Michael Albasini won the stage?
### Answer:
SELECT mountains_classification FROM table_21804557_18 WHERE metas_volantes_classification = "Michael Albasini"