What are the number in series of the pieces directed by Win Phelps and which number in season is 11?
CREATE TABLE "table1_25604014_6" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);
SELECT "no_in_series" FROM "table1_25604014_6" WHERE "directed_by"='Win Phelps' AND "no_in_season"=11;