CREATE TABLE table_26057 ("Episode #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original airdate" CLOB, "Production code #" FLOAT)

Name who drected the episode written by george tibbles
SELECT "Directed by" FROM table_26057 WHERE "Written by" = 'George Tibbles'
SELECT "Directed by" FROM "table_26057" WHERE "Written by" = 'George Tibbles'