CREATE TABLE "classification_leadership_by_stage" (
  "stage" text,
  "winner" text,
  "general_classification" text,
  "points_classification" text,
  "mountains_classification" text,
  "young_rider_classification" text,
  "intergiro_classification" text,
  "trofeo_fast_team" text
);

Question: During stage 21, who held the Intergiro classification?
SQL: SELECT "intergiro_classification" FROM "classification_leadership_by_stage" WHERE "stage"='21';

Question: During which stage was gatorade the Trofeo Fast Team?
SQL: SELECT "stage" FROM "classification_leadership_by_stage" WHERE "trofeo_fast_team"='gatorade';

Question: Who held the Intergiro classificaiton when the Trofeo Fast Team is gb-mg maglificio?
SQL: SELECT "intergiro_classification" FROM "classification_leadership_by_stage" WHERE "trofeo_fast_team"='gb-mg maglificio';

Question: During which stage was the Intergiro classification held by Miguel Indurain, the Points classification held by Mario Cipollini, and the Young rider classification held by Leonardo Sierra?
SQL: SELECT "stage" FROM "classification_leadership_by_stage" WHERE "intergiro_classification"='miguel indurain' AND "points_classification"='mario cipollini' AND "young_rider_classification"='leonardo sierra';

Question: Who was the winner when the General classification was held by Miguel Indurain, the Points classification held by Mario Cipollini, the Mountains classification held by Claudio Chiappucci, and the Young RIder classification held by Pavel Tonkov?
SQL: SELECT "winner" FROM "classification_leadership_by_stage" WHERE "general_classification"='miguel indurain' AND "points_classification"='mario cipollini' AND "mountains_classification"='claudio chiappucci' AND "young_rider_classification"='pavel tonkov';