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_14 (winner VARCHAR, mountains_classification VARCHAR, stage VARCHAR)
### Question:
What winner has pierre rolland as mountains classification, with 7 as the stage?
### Answer:
SELECT winner FROM table_name_14 WHERE mountains_classification = "pierre rolland" AND stage = "7"