CREATE TABLE "table1_19995378_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "u_s_viewers_millions" text
);

Question: What is the season number of the episode seen by 10.11 million people in the US?
SQL: SELECT "no_in_season" FROM "table1_19995378_1" WHERE "u_s_viewers_millions"='10.11';

Question: How many different series number does the episode titled "Skate or Die" have?
SQL: SELECT COUNT("no_in_series") FROM "table1_19995378_1" WHERE "title"='\"Skate or Die\"';

Question: What's the series number of the episode titled "Rapture"?
SQL: SELECT "no_in_series" FROM "table1_19995378_1" WHERE "title"='\"Rapture\"';

Question: How many episodes with different series numbers were seen by 8.69 people in the US?
SQL: SELECT COUNT("no_in_season") FROM "table1_19995378_1" WHERE "u_s_viewers_millions"='8.69';