What circuit was used on August 21?
CREATE TABLE table_25459168_2 (circuit VARCHAR, date VARCHAR)
SELECT circuit FROM table_25459168_2 WHERE date = "August 21"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25459168_2 (circuit VARCHAR, date VARCHAR) Question: What circuit was used on August 21? [/INST] SELECT circuit FROM table_25459168_2 WHERE date = "August 21" </s>