CREATE TABLE table_25764073_3 (episode__number INT, writer_s_ VARCHAR)

Name the least episode number for anne brooksbank and vicki madden
SELECT MIN(episode__number) FROM table_25764073_3 WHERE writer_s_ = "Anne Brooksbank and Vicki Madden"
SELECT MIN("episode__number") FROM "table_25764073_3" WHERE "Anne Brooksbank and Vicki Madden" = "writer_s_"