CREATE TABLE table_20544 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written By" TEXT, "Originalairdate" TEXT, "TV Broadcast" TEXT)

When was the show originally aired that had a TV broadcast of S07E04?
SELECT "Originalairdate" FROM table_20544 WHERE "TV Broadcast" = 'S07E04'
SELECT "Originalairdate" FROM "table_20544" WHERE "TV Broadcast" = 'S07E04'