How many # entries are there for the date of situation of 23 January 2003?
CREATE TABLE "table1_14570857_1" (
  "num" real,
  "episode_title" text,
  "situation" text,
  "date_of_situation" text,
  "nature_of_situation" text,
  "original_u_s_airdate" text
);
SELECT COUNT("num") FROM "table1_14570857_1" WHERE "date_of_situation"='23 January 2003';