Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_26591309_2 (first_broadcast_uk___bbc_four__ VARCHAR, official_barb_ratings VARCHAR)

### Question ###
When was the first UK broadcast when the official Barb ratings was 1085000?

### Accurate SQL ###

SELECT first_broadcast_uk___bbc_four__ FROM table_26591309_2 WHERE official_barb_ratings = 1085000