What is the general classification of the stage 3 with Daniele Bennati as the points classification and Morris Possoni as the young rider classification.
CREATE TABLE "classification_leadership" (
  "stage" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "young_rider_classification" text
);
SELECT "general_classification" FROM "classification_leadership" WHERE "points_classification"='daniele bennati' AND "young_rider_classification"='morris possoni' AND "stage"='3';