Name least series number for writers david e. kelley & jill goldsmith
CREATE TABLE "table1_23286722_1" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);
SELECT MIN("series_num") FROM "table1_23286722_1" WHERE "written_by"='David E. Kelley & Jill Goldsmith';