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_12 (round VARCHAR, res VARCHAR, method VARCHAR)
### Question:
How many total rounds have the results of win, and n/a as the method?
### Answer:
SELECT COUNT(round) FROM table_name_12 WHERE res = "win" AND method = "n/a"