CREATE TABLE "table1_27811555_1" (
  "no_in_series" text,
  "no_in_season" text,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "prod_code" text,
  "u_s_viewers_millions" text
);

Question: who directed the episode that 6.3 million u.s. viewers saw?
SQL: SELECT "directed_by" FROM "table1_27811555_1" WHERE "u_s_viewers_millions"='6.3';

Question: how man episodes in the season were titled "that's so sonny"?
SQL: SELECT COUNT("no_in_season") FROM "table1_27811555_1" WHERE "title"='\"That''s So Sonny\"';