CREATE TABLE table_25516 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

Who directed the episode titled 'Two Towns'?
SELECT "Directed by" FROM table_25516 WHERE "Title" = 'Two Towns'
SELECT "Directed by" FROM "table_25516" WHERE "Title" = 'Two Towns'