CREATE TABLE table_24176 ("Episode" CLOB, "Broadcast date" CLOB, "Run time" CLOB, "Viewers  ( in millions ) " CLOB, "Archive" CLOB)

Name the broadcast date of 6.9 million viewers
SELECT "Broadcast date" FROM table_24176 WHERE "Viewers (in millions)" = '6.9'
SELECT "Broadcast date" FROM "table_24176" WHERE "Viewers (in millions)" = '6.9'