CREATE TABLE "table1_2791668_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 name of the episode whose director is Michael Pressman and the number of that episode in that season is less than 10.0? 
SQL: SELECT "title" FROM "table1_2791668_1" WHERE "directed_by"='Michael Pressman' AND "no_in_season"<10.0;

Question: how many millions of North American people saw the episode whose director was Ed Sherin? 
SQL: SELECT "u_s_viewers_millions" FROM "table1_2791668_1" WHERE "directed_by"='Ed Sherin';

Question: what is the name of the episode whose writer is philippe browning?
SQL: SELECT "title" FROM "table1_2791668_1" WHERE "written_by"='Philippe Browning';

Question: how many premieres had the episode that had 12.68 millions of north american viewers? 
SQL: SELECT COUNT("original_air_date") FROM "table1_2791668_1" WHERE "u_s_viewers_millions"='12.68';

Question: how many episodes in the series had as a production code 16016? 
SQL: SELECT COUNT("no_in_series") FROM "table1_2791668_1" WHERE "production_code"=16016;