CREATE TABLE table_name_23 (trofeo_fast_team VARCHAR, points_classification VARCHAR, stage VARCHAR)

Which team had a final stage when Claudio Chiappucci had the points?
SELECT trofeo_fast_team FROM table_name_23 WHERE points_classification = "claudio chiappucci" AND stage = "final"
SELECT "trofeo_fast_team" FROM "table_name_23" WHERE "claudio chiappucci" = "points_classification" AND "final" = "stage"