WHich Mountains classification has an Asian team classification of seoul cycling team, and a Winner of alexandre usov?
CREATE TABLE "classification_leadership" (
  "stage" text,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "asian_rider_classification" text,
  "team_classification" text,
  "asian_team_classification" text
);
SELECT "mountains_classification" FROM "classification_leadership" WHERE "asian_team_classification"='seoul cycling team' AND "winner"='alexandre usov';