Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_68 (circuit VARCHAR, team VARCHAR, series VARCHAR)
### Question:
Which circuit did winfield team nissan win for the tooheys 1000?
### Answer:
SELECT circuit FROM table_name_68 WHERE team = "winfield team nissan" AND series = "tooheys 1000"