CREATE TABLE table_name_86 (opponent VARCHAR2, method VARCHAR2, record VARCHAR2)

Who is the opponent of the match with a method of submission (armbar) and a 9-3-1 record?
SELECT opponent FROM table_name_86 WHERE method = "submission (armbar)" AND record = "9-3-1"
SELECT "opponent" FROM "table_name_86" WHERE "9-3-1" = "record" AND "method" = "submission (armbar)"