CREATE TABLE "table1_15584067_7" (
  "no_in_series" text,
  "no_in_season" text,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_million" text
);

Question: Name who wrote the episode when the viewers was 1.81
SQL: SELECT "written_by" FROM "table1_15584067_7" WHERE "u_s_viewers_million"='1.81';

Question: Name who directed the 114 episode in the series
SQL: SELECT "directed_by" FROM "table1_15584067_7" WHERE "no_in_series"='114';

Question: Name the total number of air dates for 102 episode
SQL: SELECT COUNT("original_air_date") FROM "table1_15584067_7" WHERE "no_in_series"='102';

Question: Name who wrote the 11 number in the season
SQL: SELECT "written_by" FROM "table1_15584067_7" WHERE "no_in_season"='11';