What is the surface on 15 August 2009?
CREATE TABLE table_name_45 (surface VARCHAR, date VARCHAR)
SELECT surface FROM table_name_45 WHERE date = "15 august 2009"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_45 (surface VARCHAR, date VARCHAR) Question: What is the surface on 15 August 2009? [/INST] SELECT surface FROM table_name_45 WHERE date = "15 august 2009" </s>