CREATE TABLE "table1_2156758_4" (
  "no_in_series" text,
  "no_in_season" text,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text
);

Question: What is the number in season for the episode written by Chris Mitchell and Erik Wiese?
SQL: SELECT "no_in_season" FROM "table1_2156758_4" WHERE "written_by"='Chris Mitchell and Erik Wiese';

Question: What is the title for episode number in series of 28?
SQL: SELECT "title" FROM "table1_2156758_4" WHERE "no_in_series"='28';

Question: Who directed the episode titled "Jack and the Zombies"?
SQL: SELECT "directed_by" FROM "table1_2156758_4" WHERE "title"='\"Jack and the Zombies\"';

Question: How many titles were written by Don Shank and Genndy Tartakovsky?
SQL: SELECT COUNT("title") FROM "table1_2156758_4" WHERE "written_by"='Don Shank and Genndy Tartakovsky';