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_6 (winner VARCHAR, date VARCHAR)
### Question:
Who was the winner on 15 December 1957?
### Answer:
SELECT winner FROM table_name_6 WHERE date = "15 december 1957"