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_25551880_2 (mountains_classification VARCHAR, winner VARCHAR)
### Question:
Who was awarded mountains classifications when Mikel Nieve was the winner? 
### Answer:
SELECT mountains_classification FROM table_25551880_2 WHERE winner = "Mikel Nieve"