CREATE TABLE table_6648 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Round" TEXT)

Method of submission (chin in the eye) had what opponent?
SELECT "Opponent" FROM table_6648 WHERE "Method" = 'submission (chin in the eye)'
SELECT "Opponent" FROM "table_6648" WHERE "Method" = 'submission (chin in the eye)'