Table schema:
CREATE TABLE table_name_7 (points_classification VARCHAR, stage VARCHAR, winner VARCHAR, general_classification VARCHAR, trofeo_fast_team VARCHAR)

Question: Which points classification shares a general classification of Bernard Hinault, a Trofeo Fast Tem of Bianchi, was won by Urs Freuler, and was stage 4?
SQL: SELECT points_classification FROM table_name_7 WHERE general_classification = "bernard hinault" AND trofeo_fast_team = "bianchi" AND winner = "urs freuler" AND stage = "4"