CREATE TABLE table_name_78 (stage VARCHAR2, points_classification VARCHAR2, trofeo_fast_team VARCHAR2, winner VARCHAR2)

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