When was the episode with a 1,036,000 BARB rating first aired in Denmark?
CREATE TABLE table_73981 (
    "Episode" real,
    "First broadcast Denmark ( DR1 )" text,
    "Official TNS Gallup ratings" real,
    "First broadcast UK ( BBC Four )" text,
    "Official BARB ratings" text
)
SELECT "First broadcast Denmark ( DR1 )" FROM table_73981 WHERE "Official BARB ratings" = '1,036,000'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: When was the episode with a 1,036,000 BARB rating first aired in Denmark? ### Input: CREATE TABLE table_73981 (
    "Episode" real,
    "First broadcast Denmark ( DR1 )" text,
    "Official TNS Gallup ratings" real,
    "First broadcast UK ( BBC Four )" text,
    "Official BARB ratings" text
) ### Response: SELECT "First broadcast Denmark ( DR1 )" FROM table_73981 WHERE "Official BARB ratings" = '1,036,000'