Name the winner for adriano baffi and integiro classification of ján svorada for stage of 13
CREATE TABLE "classification_leadership_by_stage" (
  "stage" text,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "young_rider_classification" text,
  "intergiro_classification" text,
  "trofeo_fast_team" text
);
SELECT "winner" FROM "classification_leadership_by_stage" WHERE "points_classification"='adriano baffi' AND "intergiro_classification"='ján svorada' AND "stage"='13';