CREATE TABLE table_20046379_3 (us_viewers__millions_ VARCHAR2, production_code VARCHAR2)

How many millions of people in the US saw the episode with production code 214?
SELECT us_viewers__millions_ FROM table_20046379_3 WHERE production_code = "214"
SELECT "us_viewers__millions_" FROM "table_20046379_3" WHERE "214" = "production_code"