CREATE TABLE table_21385 ("Series #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Directed by" CLOB, "Original air date" CLOB, "Prod. code" FLOAT)

Who directed the episode titled 'Episode 19'?
SELECT "Directed by" FROM table_21385 WHERE "Title" = 'Episode 19'
SELECT "Directed by" FROM "table_21385" WHERE "Title" = 'Episode 19'