user: Question: What Opponent in the final had a Partner of Gastón Etlis?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponent in the final', 'Score in the final']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 1992.0, 'Munich , Germany', 'Clay', 'Menno Oosting', 'Carl Limberger Tomáš Anzari', '3–6, 7–5, 6–3']
SQL:

assistant: SELECT "Opponent in the final" FROM "Table" WHERE "Partner" = 'Gastón Etlis';