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_13 (method VARCHAR, round VARCHAR, record VARCHAR)
### Question:
What method was used in the match that went to round 1, and had a 6-3-1 record?
### Answer:
SELECT method FROM table_name_13 WHERE round = 1 AND record = "6-3-1"