Table: danmark_rundt_results
Columns: stage
winner
general_classification
points_classification
mountains_classification
young_rider_classification
team_classification

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

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

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

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

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

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