Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Episode | First broadcast Denmark ( DR1 ) | Official TNS Gallup ratings | First broadcast UK ( BBC Four ) | Official BARB ratings |
| --- | --- | --- | --- | --- |
| 1.0 | 27 September 2009 | 1702000.0 | 19 November 2011 | 1248000.0 |
| 2.0 | 4 October 2009 | 1696000.0 | 19 November 2011 | 909000.0 |
| 3.0 | 11 October 2009 | 1479000.0 | 26 November 2011 | 1080000.0 |
| 4.0 | 18 October 2009 | 1677000.0 | 26 November 2011 | 863000.0 |
| 5.0 | 25 October 2009 | 1658000.0 | 3 December 2011 | 1090000.0 |
| 6.0 | 1 November 2009 | 1505000.0 | 3 December 2011 | 859000.0 |
| 7.0 | 8 November 2009 | 1575000.0 | 10 December 2011 | 1044000.0 |
| 8.0 | 15 November 2009 | 1609000.0 | 10 December 2011 | 902000.0 |
| 9.0 | 22 November 2009 | 1561000.0 | 17 December 2011 | 1085000.0 |
Question:
When was the first UK broadcast when the official Barb ratings was 1085000?
Answer:
17 December 2011