CREATE TABLE table_9836 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB)

What is the event when the method was submission (armbar), and Jeff Gibson was the opponent?
SELECT "Event" FROM table_9836 WHERE "Method" = 'submission (armbar)' AND "Opponent" = 'jeff gibson'
SELECT "Event" FROM "table_9836" WHERE "Method" = 'submission (armbar)' AND "Opponent" = 'jeff gibson'