CREATE TABLE "table1_10749143_2" (
  "series_num" real,
  "season_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text,
  "u_s_viewers_millions" text
);

Question: Who directed the episode with production code 7aff03?
SQL: SELECT "directed_by" FROM "table1_10749143_2" WHERE "production_code"='7AFF03';

Question: What is the title of the episode wtih 10.34 million U.S viewers?
SQL: SELECT "title" FROM "table1_10749143_2" WHERE "u_s_viewers_millions"='10.34';