CREATE TABLE "table1_25604014_4" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text
);

Question: Who directed "sperminator"?
SQL: SELECT "directed_by" FROM "table1_25604014_4" WHERE "title"='\"Sperminator\"';

Question: Who wrote "to live and diet in L.A."?
SQL: SELECT "written_by" FROM "table1_25604014_4" WHERE "title"='\"To Live and Diet in L.A.\"';

Question: Who wrote the episode "victor/victorious"?
SQL: SELECT "written_by" FROM "table1_25604014_4" WHERE "title"='\"Victor/Victorious\"';

Question: What is the production code for the episode directed by Sam weisman?
SQL: SELECT "production_code" FROM "table1_25604014_4" WHERE "directed_by"='Sam Weisman';