CREATE TABLE "table1_28081876_5" (
  "series_no" real,
  "season_no" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "u_s_viewers_millions" text
);

Question: at most what number in the series was the episode "chet episode"?
SQL: SELECT MAX("series_no") FROM "table1_28081876_5" WHERE "title"='\"Chet Episode\"';

Question: the episode entitled "ward 8" was what number in the series?
SQL: SELECT "series_no" FROM "table1_28081876_5" WHERE "title"='\"Ward 8\"';

Question: who directed the episode entitled "home is where the hospital is"?
SQL: SELECT "directed_by" FROM "table1_28081876_5" WHERE "title"='\"Home Is Where the Hospital Is\"';