CREATE TABLE "table1_27755040_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real
);

Question: How many people directed "the one with rachel's dream"?
SQL: SELECT COUNT("directed_by") FROM "table1_27755040_1" WHERE "title"='\"The One with Rachel''s Dream\"';

Question: How many episodes in the season had production code of 175255?
SQL: SELECT COUNT("no_in_season") FROM "table1_27755040_1" WHERE "production_code"=175255;

Question: What episode number in the series is "the one with the blind dates"?
SQL: SELECT MAX("no_in_series") FROM "table1_27755040_1" WHERE "title"='\"The One with the Blind Dates\"';