CREATE TABLE table_20726262_6 (no_in_season INT, directedby VARCHAR)

What episode was directed by Karen Gaviola?
SELECT MIN(no_in_season) FROM table_20726262_6 WHERE directedby = "Karen Gaviola"
SELECT MIN("no_in_season") FROM "table_20726262_6" WHERE "Karen Gaviola" = "directedby"