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_5 (stage VARCHAR, mountains_classification VARCHAR, winner VARCHAR)
### Question:
Which stage has a mountains classification of Mariano Piccoli and was won by Giuseppe Citterio?
### Answer:
SELECT stage FROM table_name_5 WHERE mountains_classification = "mariano piccoli" AND winner = "giuseppe citterio"