CREATE TABLE "table1_27115960_1" (
  "no_in_series" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" text,
  "u_s_viewers_million" text
);

Question: Phil Klemmer wrote all titles and production code is 3t6455. 
SQL: SELECT "title" FROM "table1_27115960_1" WHERE "written_by"='Phil Klemmer' AND "production_code"='3T6455';

Question: Season 9 all the titles were no. in series.
SQL: SELECT "title" FROM "table1_27115960_1" WHERE "no_in_series"=9;

Question: Title is the total number where u.s. viewers (million) is 7.56.
SQL: SELECT COUNT("title") FROM "table1_27115960_1" WHERE "u_s_viewers_million"='7.56';