Question: What is the original air date of the episode directed by Ian Barry and written by Philip Dalkin?
SQL: SELECT "Original air date" FROM "1-18712423-3" WHERE "Directed by" = 'Ian Barry' AND "Written by" = 'Philip Dalkin';

Question: What is the show episode number of the episode that reached 1.215 millions views?
SQL: SELECT MIN("Series episode") FROM "1-18712423-3" WHERE "Viewers (millions)" = '1.215';

Question: Who directed the episode written by Matt Ford?
SQL: SELECT "Directed by" FROM "1-18712423-3" WHERE "Written by" = 'Matt Ford';