CREATE TABLE table_16973 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT)

Who directed the episode written by Lamont Ferrell?
SELECT "Directed by" FROM table_16973 WHERE "Written by" = 'Lamont Ferrell'
SELECT "Directed by" FROM "table_16973" WHERE "Written by" = 'Lamont Ferrell'