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

Question: Which Points classification has a Trofeo Fast Team of metauro mobili-pinarello, and a Stage of 6?
SQL: SELECT "points_classification" FROM "classification_leadership_by_stage" WHERE "trofeo_fast_team"='metauro mobili-pinarello' AND "stage"='6';

Question: Which stage has a Winner of lucien van impe?
SQL: SELECT "stage" FROM "classification_leadership_by_stage" WHERE "winner"='lucien van impe';

Question: Which Trofeo Fast Team has a Winner of alessandro paganessi?
SQL: SELECT "trofeo_fast_team" FROM "classification_leadership_by_stage" WHERE "winner"='alessandro paganessi';

Question: Which General classification has a Stage of 7?
SQL: SELECT "general_classification" FROM "classification_leadership_by_stage" WHERE "stage"='7';

Question: Which Winner has a Trofeo Fast Team of metauro mobili-pinarello, and a General classification of giuseppe saronni?
SQL: SELECT "winner" FROM "classification_leadership_by_stage" WHERE "trofeo_fast_team"='metauro mobili-pinarello' AND "general_classification"='giuseppe saronni';