CREATE TABLE table_3455 ("No. in series" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "U.S. viewers  ( million ) " CLOB)

What was the original air date of the episode directed by frederick e. o. toye?
SELECT "Original air date" FROM table_3455 WHERE "Directed by" = 'Frederick E. O. Toye'
SELECT "Original air date" FROM "table_3455" WHERE "Directed by" = 'Frederick E. O. Toye'