user: Question: When was the score 3-6 4-6?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', '26 August 2007', 'Vlaardingen , The Netherlands', 'Clay (o)', 'Anne Schaefer', '6-7 (5) 6-2 6-2']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Score" = '3-6 4-6';