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?
CREATE TABLE "classification_leadership_by_stage" (
  "stage" text,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "trofeo_fast_team" text
);
SELECT "points_classification" FROM "classification_leadership_by_stage" WHERE "general_classification"='bernard hinault' AND "trofeo_fast_team"='bianchi' AND "winner"='urs freuler' AND "stage"='4';