David James Elliott directed which episode number within the series?
CREATE TABLE "table1_228973_11" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text
);
SELECT "no_in_series" FROM "table1_228973_11" WHERE "directed_by"='David James Elliott';