Which surface has an Opponent of fernando verdasco?
CREATE TABLE table_name_41 (surface VARCHAR, opponent VARCHAR)
SELECT surface FROM table_name_41 WHERE opponent = "fernando verdasco"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_41 (surface VARCHAR, opponent VARCHAR) Question: Which surface has an Opponent of fernando verdasco? [/INST] SELECT surface FROM table_name_41 WHERE opponent = "fernando verdasco" </s>