what is the name of the episode whose writers were jeff astrof & matt goldman? 
CREATE TABLE "table1_27914606_1" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_millions" text
);
SELECT "title" FROM "table1_27914606_1" WHERE "written_by"='Jeff Astrof & Matt Goldman';