CREATE TABLE "table1_27988559_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 dates did the episode with a production code of 804 originally air on?
SQL: SELECT COUNT("original_air_date") FROM "table1_27988559_1" WHERE "production_code"=804;

Question: What is the original air date for "killer queen"?
SQL: SELECT "original_air_date" FROM "table1_27988559_1" WHERE "title"='\"Killer Queen\"';

Question: Who directed episode 2 of the season?
SQL: SELECT "directed_by" FROM "table1_27988559_1" WHERE "no_in_season"=2;

Question: Who wrote "bohemian rhapsody"?
SQL: SELECT "written_by" FROM "table1_27988559_1" WHERE "title"='\"Bohemian Rhapsody\"';

Question: What dat did episode 195 in the series originally air?
SQL: SELECT "original_air_date" FROM "table1_27988559_1" WHERE "no_in_series"=195;