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_16 (circuit VARCHAR, championship VARCHAR)
### Question:
The 2001 NASCAR Winston Cup Series championship has what has a circuit?
### Answer:
SELECT circuit FROM table_name_16 WHERE championship = "2001 nascar winston cup series"