What mountains classification corresponds to Mark Cavendish and the Garmin-Chipotle-H30?
CREATE TABLE "jersey_progress" (
  "stage_winner" text,
  "general_classification" text,
  "young_classification" text,
  "mountains_classification" text,
  "sprint_classification" text,
  "team_classification" text
);
SELECT "mountains_classification" FROM "jersey_progress" WHERE "general_classification"='mark cavendish' AND "team_classification"='garmin-chipotle-h30';