CREATE TABLE table_25917 ("Episode" TEXT, "First broadcast" TEXT, "Seans team" TEXT, "Daves team" TEXT, "Scores" TEXT)

What was the first broadcast date of episode 4x03?
SELECT "First broadcast" FROM table_25917 WHERE "Episode" = '4x03'
SELECT "First broadcast" FROM "table_25917" WHERE "Episode" = '4x03'