user: Question: What is the Date of the match with Partner Steffi Graf with a Score in Final of 4–6, 1–6?
Columns: ['Date', 'Tournament', 'Surface', 'Partner', 'Opponents in Final', 'Score in Final']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['18 July 1982', 'Monte Carlo , Monaco', 'Clay', 'Virginia Ruzici', 'Patricia Medrado Claudia Monteiro', '7–6, 6–2']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Score in Final" = '4–6, 1–6' AND "Partner" = 'Steffi Graf';