user: Question: What was the date when Steffi Graf was the opponent in the final and the score was 2–6, 0–6?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent in the final', 'Score in the final']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '30 January 1984', 'Houston , USA WTA Virginia Slims', 'Carpet (I)', 'Hana Mandlíková', '4–6, 2–6']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent in the final" = 'Steffi Graf' AND "Score in the final" = '2–6, 0–6';