Question: Notes of BBC Radio 4, and a Director of Peter Kavanagh includes which average year?
SQL: SELECT AVG("Year") FROM "2-15003874-4" WHERE "Notes" = 'BBC Radio 4' AND "Director" = 'Peter Kavanagh';

Question: Title of The Angry Brigade involves which lowest year?
SQL: SELECT MIN("Year") FROM "2-15003874-4" WHERE "Title" = 'The Angry Brigade';

Question: Year larger than 2008 includes which notes?
SQL: SELECT "Notes" FROM "2-15003874-4" WHERE "Year" > 2008.0;

Question: Notes of BBC Radio 3, and a Title of Carnival involves which director?
SQL: SELECT "Director" FROM "2-15003874-4" WHERE "Notes" = 'BBC Radio 3' AND "Title" = 'Carnival';