Table: good_news_ratings_2
Columns: episode_no
airdate
viewers
bbc_three_weekly_ranking
cable_rank

Question: How many times did episode number 8 air?
SQL: SELECT COUNT("cable_rank") FROM good_news_ratings_2 WHERE "episode_no" = 8

Question: When did episode number 6 air?
SQL: SELECT "airdate" FROM good_news_ratings_2 WHERE "episode_no" = 6