CREATE TABLE "season_3_2004_2005_cbs_2006_2009" (
  "episode" real,
  "title" text,
  "airdate_canada" text,
  "airdate_usa" text,
  "cbs_airdate" text
);

Question: Which episode aired in the USA on 20 May 2005?
SQL: SELECT "episode" FROM "season_3_2004_2005_cbs_2006_2009" WHERE "airdate_usa"='20 may 2005';

Question: What is the total number of episodes aired in Canada on 22 October 2004?
SQL: SELECT COUNT("episode") FROM "season_3_2004_2005_cbs_2006_2009" WHERE "airdate_canada"='22 october 2004';

Question: What is the CBS airdate of the episode with a number under 70 with a USA airdate of 1 April 2005?
SQL: SELECT "cbs_airdate" FROM "season_3_2004_2005_cbs_2006_2009" WHERE "episode"<70 AND "airdate_usa"='1 april 2005';