user: Question: In the match played with partner Andres Molteni, with the outcome of Winner, who was the opponent?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponent', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '23 January 2006', 'Santiago', 'Clay', 'Felipe Parada', 'Máximo González Sergio Roitman', '4–6, 3–6']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Outcome" = 'Winner' AND "Partner" = 'Andres Molteni';