user: Question: Who are all the stage winners where the team classification is Caisse d'Epargne?
Columns: ['Stage (Winner)', 'General classification', 'Points classification', 'Mountains classification', 'Young rider classification', 'Team classification']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['0 Prologue ( Brett Lancaster )', 'Brett Lancaster', 'Brett Lancaster', 'not awarded', 'Gerald Ciolek', 'Team Milram']
SQL:

assistant: SELECT "Stage (Winner)" FROM "Table" WHERE "Team classification" = 'Caisse d''Epargne';