CREATE TABLE "classification_leadership" (
  "stage" real,
  "winner" text,
  "general_classification" text,
  "mountains_classification" text,
  "sprint_classification" text,
  "young_rider_classification" text,
  "team_classification" text,
  "aggressive_rider" text
);

Question: Who was the aggressive rider when the winner was luis león sánchez?
SQL: SELECT "aggressive_rider" FROM "classification_leadership" WHERE "winner"='Luis León Sánchez';

Question: Who was the aggressive rider when the sprint classification was  andré greipel and mountains classification was timothy roe?
SQL: SELECT "aggressive_rider" FROM "classification_leadership" WHERE "sprint_classification"='André Greipel' AND "mountains_classification"='Timothy Roe';

Question: What was the stage when the winner was luis león sánchez?
SQL: SELECT "stage" FROM "classification_leadership" WHERE "winner"='Luis León Sánchez';

Question: What was the young rider classification when manuel cardoso was the winner?
SQL: SELECT "young_rider_classification" FROM "classification_leadership" WHERE "winner"='Manuel Cardoso';

Question: How many winners were there for stage 5?
SQL: SELECT COUNT("winner") FROM "classification_leadership" WHERE "stage"=5;