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_39 (score VARCHAR, champion VARCHAR, year VARCHAR)
### Question:
What is the score of champion Ken Rosewall in 1957?
### Answer:
SELECT score FROM table_name_39 WHERE champion = "ken rosewall" AND year = "1957"