Who is every young rider classification if combativity award is Yannick Talabardon?
CREATE TABLE "classification_leadership" (
  "stage" real,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "young_rider_classification" text,
  "team_classification" text,
  "combativity_award" text
);
SELECT "young_rider_classification" FROM "classification_leadership" WHERE "combativity_award"='Yannick Talabardon';