Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_55 (date VARCHAR, outcome VARCHAR, opponent_in_the_final VARCHAR)
### Question:
What is the Date that has a Outcome of winner, and çağla büyükakçay was the opponent in the final?
### Answer:
SELECT date FROM table_name_55 WHERE outcome = "winner" AND opponent_in_the_final = "çağla büyükakçay"