Question: How many directed by entries have UK viewership over 6.16 million?
SQL: SELECT COUNT("Directed by") FROM "1-29063233-1" WHERE "UK viewers (million)" = '6.16';

Question: Who directed the episode with a UK viewership of exactly 5.77 million?
SQL: SELECT "Directed by" FROM "1-29063233-1" WHERE "UK viewers (million)" = '5.77';

Question: What was the airdate of the episode with a UK viewership of 6.02 million?
SQL: SELECT "Original air date" FROM "1-29063233-1" WHERE "UK viewers (million)" = '6.02';

Question: Who directed the episode with UK viewership of 6.09 million?
SQL: SELECT "Directed by" FROM "1-29063233-1" WHERE "UK viewers (million)" = '6.09';