CREATE TABLE "table1_23117208_3" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "prod_code" text,
  "viewers_millions" text
);

Question: when the number of spectator are 5.28 millions, which is the smallest number of the episode in series? 
SQL: SELECT MIN("no_in_series") FROM "table1_23117208_3" WHERE "viewers_millions"='5.28';

Question: which is the biggest number of episode in the season, where the number of the episode in series is 20?
SQL: SELECT MAX("no_in_season") FROM "table1_23117208_3" WHERE "no_in_series"=20;

Question: what is the name of the episode when the number of spectators was 5.60 millions?
SQL: SELECT "title" FROM "table1_23117208_3" WHERE "viewers_millions"='5.60';

Question: how many millions of spectator did has the episode whose prod.code was rp#213?
SQL: SELECT "viewers_millions" FROM "table1_23117208_3" WHERE "prod_code"='RP#213';

Question: which is the biggest number of episode in the season, when the director of the episode was Constantine Makris?
SQL: SELECT MAX("no_in_season") FROM "table1_23117208_3" WHERE "directed_by"='Constantine Makris';