CREATE TABLE "table1_10819266_8" (
  "season" real,
  "episodes" real,
  "time_slot_est" text,
  "season_premiere" text,
  "season_finale" text,
  "tv_season" text,
  "rank" text,
  "viewers_in_millions" text
);

Question: How many seasons is the season finale on May 26, 2010?
SQL: SELECT COUNT("season") FROM "table1_10819266_8" WHERE "season_finale"='May 26, 2010';

Question: What episodes are there where the season premier is September 23, 2009?
SQL: SELECT "episodes" FROM "table1_10819266_8" WHERE "season_premiere"='September 23, 2009';

Question: What is the season finale for season 4?
SQL: SELECT "season_finale" FROM "table1_10819266_8" WHERE "season"=4;

Question: How many season premiers have a rank of #21?
SQL: SELECT "season_premiere" FROM "table1_10819266_8" WHERE "rank"='#21';

Question: What are the seasons where September 26, 2007 is the season premier?
SQL: SELECT "tv_season" FROM "table1_10819266_8" WHERE "season_premiere"='September 26, 2007';