CREATE TABLE table_5368 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Round" FLOAT, "Time" TEXT, "Location" TEXT)

Who is the opponent of the submission (triangle choke) method of submission?
SELECT "Opponent" FROM table_5368 WHERE "Method" = 'submission (triangle choke)'
SELECT "Opponent" FROM "table_5368" WHERE "Method" = 'submission (triangle choke)'