CREATE TABLE "jersey_progress" (
  "stage_winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "young_rider_classification" text,
  "team_classification" text
);

Question: What stage (winner) has thor hushovd as a general classification, and trent lowe as a rider classification?
SQL: SELECT "stage_winner" FROM "jersey_progress" WHERE "general_classification"='thor hushovd' AND "young_rider_classification"='trent lowe';

Question: What stage (winner) has quick step as the team classification, and trent lowe as the young rider classification?
SQL: SELECT "stage_winner" FROM "jersey_progress" WHERE "team_classification"='quick step' AND "young_rider_classification"='trent lowe';