CREATE TABLE table_30458 ("Series #" FLOAT, "Title" TEXT, "Written by" TEXT, "Directed by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

What is the name of the episode that was directed by Dennis Smith?
SELECT "Title" FROM table_30458 WHERE "Directed by" = 'Dennis Smith'
SELECT "Title" FROM "table_30458" WHERE "Directed by" = 'Dennis Smith'