CREATE TABLE table_25341765_1 (us_viewers__million_ VARCHAR2, directed_by VARCHAR2)

How many millions of viewers did the episode directed by Jeffrey Blitz have?
SELECT us_viewers__million_ FROM table_25341765_1 WHERE directed_by = "Jeffrey Blitz"
SELECT "us_viewers__million_" FROM "table_25341765_1" WHERE "Jeffrey Blitz" = "directed_by"