user: Question: what is the stage when the winner is Charly Mottet?
Columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Trofeo Fast Team']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Gianni Bugno', 'Gianni Bugno', 'Gianni Bugno', 'Diana-Colnago-Animex']
SQL:

assistant: SELECT "Stage" FROM "Table" WHERE "Winner" = 'Charly Mottet';