CREATE TABLE "table1_29196086_4" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text
);

Question: on how many days did the episode written by harold hayes jr. & craig s. phillips originally air
SQL: SELECT COUNT("original_air_date") FROM "table1_29196086_4" WHERE "written_by"='Harold Hayes Jr. & Craig S. Phillips';

Question: who directed "grampires"(part 1)
SQL: SELECT "directed_by" FROM "table1_29196086_4" WHERE "title"='\"Grampires\"(Part 1)';

Question: how many episodes originally aired january19,2013
SQL: SELECT COUNT("no_in_series") FROM "table1_29196086_4" WHERE "original_air_date"='January19,2013';

Question: which episode of the season aired on october20,2012
SQL: SELECT MAX("no_in_season") FROM "table1_29196086_4" WHERE "original_air_date"='October20,2012';