CREATE TABLE table_16443 ("Series #" FLOAT, "Episode #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

Who directed the episode called 'Tell-tale Heart'?
SELECT "Directed by" FROM table_16443 WHERE "Title" = 'Tell-Tale Heart'
SELECT "Directed by" FROM "table_16443" WHERE "Title" = 'Tell-Tale Heart'