Who directed the show that was viewed by 2.06 million U.S. people?
CREATE TABLE "table1_11694832_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text,
  "u_s_viewers_millions" text
);
SELECT "directed_by" FROM "table1_11694832_1" WHERE "u_s_viewers_millions"='2.06';