What surface was the game played on for the September 13, 2009 match?
CREATE TABLE table_name_43 (surface VARCHAR, date VARCHAR)
SELECT surface FROM table_name_43 WHERE date = "september 13, 2009"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_43 (surface VARCHAR, date VARCHAR) Question: What surface was the game played on for the September 13, 2009 match? [/INST] SELECT surface FROM table_name_43 WHERE date = "september 13, 2009" </s>