CREATE TABLE table_22951088_3 (us_viewers__in_millions_ VARCHAR2, written_by VARCHAR2)

How many viewers (in millions) watched the episode written by deidre shaw?
SELECT us_viewers__in_millions_ FROM table_22951088_3 WHERE written_by = "Deidre Shaw"
SELECT "us_viewers__in_millions_" FROM "table_22951088_3" WHERE "Deidre Shaw" = "written_by"