Who was the winning driver at Okayama International Circuit?
CREATE TABLE table_16670746_2 (winning_driver VARCHAR, circuit VARCHAR)
SELECT winning_driver FROM table_16670746_2 WHERE circuit = "Okayama International circuit"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16670746_2 (winning_driver VARCHAR, circuit VARCHAR) Question: Who was the winning driver at Okayama International Circuit? [/INST] SELECT winning_driver FROM table_16670746_2 WHERE circuit = "Okayama International circuit" </s>