CREATE TABLE "table1_19852975_4" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "director_s" text,
  "writer_s" text,
  "airdate" text,
  "production_code" real,
  "arties_disguises" text
);

Question: Writer Max Ehrlich, what is the minimum series number?
SQL: SELECT MIN("series_num") FROM "table1_19852975_4" WHERE "writer_s"='Max Ehrlich';

Question: From writer Denne Bart Petitclerc, what is the maximum season number?
SQL: SELECT MAX("season_num") FROM "table1_19852975_4" WHERE "writer_s"='Denne Bart Petitclerc';

Question: From writer Max Ehrlich, what is the total amount of series numbers?
SQL: SELECT COUNT("series_num") FROM "table1_19852975_4" WHERE "writer_s"='Max Ehrlich';