user: Question: What is the Date that has a Outcome of Winner, and Çağla Büyükakçay was the opponent in the final?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent in the final', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', '24-Oct-2005', 'Pretoria', 'Hard', 'Alicia Pillay', '6-4 6-2']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Outcome" = 'Winner' AND "Opponent in the final" = 'Çağla Büyükakçay';