CREATE TABLE table_9341 ("Episode" TEXT, "7 Deadly Sin" TEXT, "Challenge Winner" TEXT, "Challenge Loser" TEXT, "Voted In To 'El Duelo'" TEXT, "Eliminated" TEXT)

Which episode has a Challenge Winner of berto?
SELECT "Episode" FROM table_9341 WHERE "Challenge Winner" = 'berto'
SELECT "Episode" FROM "table_9341" WHERE "Challenge Winner" = 'berto'