Table schema:
CREATE TABLE table_name_78 (stage VARCHAR, points_classification VARCHAR, trofeo_fast_team VARCHAR, winner VARCHAR)

Question: What stage did team Carrera Jeans-Tassoni have when Mario Cipollini won and Claudio Chiappucci had the points?
SQL: SELECT stage FROM table_name_78 WHERE trofeo_fast_team = "carrera jeans-tassoni" AND winner = "mario cipollini" AND points_classification = "claudio chiappucci"