CREATE TABLE table_4219 ("No. in series" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" FLOAT, "U.S. viewers  ( millions ) " CLOB)

Who directed the episode that had 1.48 million viewers in the U.S.?
SELECT "Directed by" FROM table_4219 WHERE "U.S. viewers (millions)" = '1.48'
SELECT "Directed by" FROM "table_4219" WHERE "U.S. viewers (millions)" = '1.48'