user: Question: who is the opponent when the year is after 1996 and the outcome is Winner?
Columns: ['Outcome', 'Year', 'Championship', 'Surface', 'Opponent', 'Score']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 1990.0, 'Monte Carlo', 'Clay', 'Andrei Chesnokov', '5–7, 3–6, 3–6']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Year" > 1996.0 AND "Outcome" = 'Winner';