CREATE TABLE table_28792 ("Episode" FLOAT, "First broadcast Denmark  (  DR1  ) " TEXT, "Official TNS Gallup ratings" FLOAT, "First broadcast UK  (  BBC Four  ) " TEXT, "Official BARB ratings" FLOAT)

When was the first UK broadcast for episode 9?
SELECT "First broadcast UK ( BBC Four )" FROM table_28792 WHERE "Episode" = '9'
SELECT "First broadcast UK ( BBC Four )" FROM "table_28792" WHERE "Episode" = '9'