Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: 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 a la b y kak ay was the opponent in the final?

### Accurate SQL ###

SELECT date FROM table_name_55 WHERE outcome = "winner" AND opponent_in_the_final = "çağla büyükakçay"