When hossein askari is the stage winner who is the malaysian rider classification ?
CREATE TABLE "classification_leadership" (
  "stage" real,
  "stage_winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "malaysian_rider_classification" text,
  "team_classification" text
);
SELECT "malaysian_rider_classification" FROM "classification_leadership" WHERE "stage_winner"='Hossein Askari';