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_13 (stage VARCHAR, winner VARCHAR, trofeo_fast_team VARCHAR, points_classification VARCHAR)
### Question:
What is the stage of Fabiano Fontanelli, who had a Trofeo Fast Team of Gewiss Playbus and a point classification of Fabrizio Guidi?
### Answer:
SELECT stage FROM table_name_13 WHERE trofeo_fast_team = "gewiss playbus" AND points_classification = "fabrizio guidi" AND winner = "fabiano fontanelli"