What is the score of champion Ken Rosewall in 1957?
CREATE TABLE table_name_39 (score VARCHAR, champion VARCHAR, year VARCHAR)
SELECT score FROM table_name_39 WHERE champion = "ken rosewall" AND year = "1957"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_39 (score VARCHAR, champion VARCHAR, year VARCHAR) Question: What is the score of champion Ken Rosewall in 1957? [/INST] SELECT score FROM table_name_39 WHERE champion = "ken rosewall" AND year = "1957" </s>