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

Question: When svein tuft is the winner what is the highest stage?
SQL: SELECT MAX("stage") FROM "classification_leadership" WHERE "winner"='Svein Tuft';

Question: when svein tuft is the winner how many stages are there?
SQL: SELECT COUNT("stage") FROM "classification_leadership" WHERE "winner"='Svein Tuft';

Question: when hayden roulston is the winner what is the team classification?
SQL: SELECT "team_classification" FROM "classification_leadership" WHERE "winner"='Hayden Roulston';

Question: When michael reihs is the mountains classification what is the stage?
SQL: SELECT "stage" FROM "classification_leadership" WHERE "mountains_classification"='Michael Reihs';

Question: When michael van stayen is the points classification what is the team classification?
SQL: SELECT "team_classification" FROM "classification_leadership" WHERE "points_classification"='Michael Van Stayen';

Question: When hayden roulston is the winner what is the stage?
SQL: SELECT "stage" FROM "classification_leadership" WHERE "winner"='Hayden Roulston';