Question: What is the UK broadcast date of the episode where Chris Bonington was the presenter?
SQL: SELECT "UK Broadcast Date" FROM "2-15211468-3" WHERE "Presenter" = 'Chris Bonington';

Question: What is the episode title of the episode with Ben Okri as the presenter?
SQL: SELECT "Episode Title" FROM "2-15211468-3" WHERE "Presenter" = 'Ben Okri';

Question: Who is the presenter of the episode broadcast in the UK on 1996-09-25?
SQL: SELECT "Presenter" FROM "2-15211468-3" WHERE "UK Broadcast Date" = '1996-09-25';

Question: What is the UK broadcast date of the episode with Ben Okri as the presenter?
SQL: SELECT "UK Broadcast Date" FROM "2-15211468-3" WHERE "Presenter" = 'Ben Okri';