CREATE TABLE table_26480 ("Episode #" FLOAT, "Prod #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Originalairdate" TEXT, "Filmed" TEXT)

Who directed the epsiode with production number 109?
SELECT "Directed by" FROM table_26480 WHERE "Prod #" = '109'
SELECT "Directed by" FROM "table_26480" WHERE "Prod #" = '109'