Which Surface has a Round of 4th round, and a Player of maria sharapova?
CREATE TABLE table_name_57 (surface VARCHAR, round VARCHAR, player VARCHAR)
SELECT surface FROM table_name_57 WHERE round = "4th round" AND player = "maria sharapova"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_57 (surface VARCHAR, round VARCHAR, player VARCHAR) Question: Which Surface has a Round of 4th round, and a Player of maria sharapova? [/INST] SELECT surface FROM table_name_57 WHERE round = "4th round" AND player = "maria sharapova" </s>