CREATE TABLE "table1_15717093_1" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "u_s_viewers_millions" text
);

Question: What season number corresponds to series number 102?
SQL: SELECT MAX("season_num") FROM "table1_15717093_1" WHERE "series_num"=102;

Question: What was the title when there were 14.39 million viewers?
SQL: SELECT "title" FROM "table1_15717093_1" WHERE "u_s_viewers_millions"='14.39';

Question: Who was the writer when there were 15.85 million US viewers?
SQL: SELECT "written_by" FROM "table1_15717093_1" WHERE "u_s_viewers_millions"='15.85';