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_3 (first_broadcast_denmark___dr1__ VARCHAR, official_barb_ratings VARCHAR)

### Question ###
When was the episode with a 999,000 BARB rating first aired in Denmark?

### Accurate SQL ###

SELECT first_broadcast_denmark___dr1__ FROM table_26591309_3 WHERE official_barb_ratings = "999,000"