SELECT stage FROM table_name_13 WHERE trofeo_fast_team = "gewiss playbus" AND points_classification = "fabrizio guidi" AND winner = "fabiano fontanelli"
Berapa tahap Fabiano Fontanelli, yang memiliki tim trofeo cepat dari Gewiss Playbus dan klasifikasi titik Fabrizio Guidi?
CREATE TABLE table_name_13 (stage VARCHAR, winner VARCHAR, trofeo_fast_team VARCHAR, points_classification VARCHAR)