user: Question: Name the stgae with winner of Robbie McEwen
Columns: ['Stage', 'Winner', 'General classification', 'Points Classification', 'Team Classification']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['P', 'Michiel Elijzen', 'Michiel Elijzen', 'not awarded', 'Cofidis']
SQL:

assistant: SELECT "Stage" FROM "Table" WHERE "Winner" = 'Robbie McEwen';