CREATE TABLE "classification_leadership" (
  "stage" text,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "young_rider_classification" text,
  "team_classification" text,
  "combativity_award" text
);

Question: Name the team classification for stage of 20
SQL: SELECT "team_classification" FROM "classification_leadership" WHERE "stage"='20';

Question: Name the winner with mountains classification of franco pellizotti and combativity award of martijn maaskant
SQL: SELECT "winner" FROM "classification_leadership" WHERE "mountains_classification"='franco pellizotti' AND "combativity_award"='martijn maaskant';

Question: Name the general classification with roman kreuziger and points classification of fabian cancellara
SQL: SELECT "general_classification" FROM "classification_leadership" WHERE "young_rider_classification"='roman kreuziger' AND "points_classification"='fabian cancellara';

Question: Name the combativity award with winner of luis león sánchez
SQL: SELECT "combativity_award" FROM "classification_leadership" WHERE "winner"='luis león sánchez';