Name the Winning driver of mercedes on 22 august?
CREATE TABLE table_name_91 (winning_driver VARCHAR, winning_constructor VARCHAR, date VARCHAR)
SELECT winning_driver FROM table_name_91 WHERE winning_constructor = "mercedes" AND date = "22 august"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_91 (winning_driver VARCHAR, winning_constructor VARCHAR, date VARCHAR) Question: Name the Winning driver of mercedes on 22 august? [/INST] SELECT winning_driver FROM table_name_91 WHERE winning_constructor = "mercedes" AND date = "22 august" </s>