Table: tv_ratings
Columns: episode
first_broadcast_denmark_dr1
official_tns_gallup_ratings
first_broadcast_uk_bbc_four
official_barb_ratings

Question: When was the episode with a 999,000 BARB rating first aired in Denmark?
SQL: SELECT "first_broadcast_denmark_dr1" FROM tv_ratings WHERE "official_barb_ratings" = '999,000'

Question: What is the BARB ratings of episode 6?
SQL: SELECT "official_barb_ratings" FROM tv_ratings WHERE "episode" = 6

Question: When was the episode with a 1,036,000 BARB rating first aired in Denmark?
SQL: SELECT "first_broadcast_denmark_dr1" FROM tv_ratings WHERE "official_barb_ratings" = '1,036,000'