CREATE TABLE table_2902 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "U.S. viewers  ( millions ) " CLOB)

Who directed the episode titled 'Redemptio'?
SELECT "Directed by" FROM table_2902 WHERE "Title" = 'Redemptio'
SELECT "Directed by" FROM "table_2902" WHERE "Title" = 'Redemptio'