CREATE TABLE "dvd_releases" (
  "dvd_name" text,
  "released" text,
  "audio" text,
  "aspect_ratio" text,
  "duration" text,
  "number_of_episodes" real,
  "num_of_discs" real
);

Question: What is the aspect ratio of the DVD released on 12/10/2009?
SQL: SELECT "aspect_ratio" FROM "dvd_releases" WHERE "released"='12/10/2009';

Question: What is the name of the DVD where the number of discs is greater than 2.0
SQL: SELECT "dvd_name" FROM "dvd_releases" WHERE "num_of_discs">2.0;

Question: How many releases did the DVD River Cottage forever have?
SQL: SELECT COUNT("released") FROM "dvd_releases" WHERE "dvd_name"='River Cottage Forever';

Question: What is the total number of discs where the run time was 4 hours 40 minutes?
SQL: SELECT COUNT("num_of_discs") FROM "dvd_releases" WHERE "duration"='4 hours 40 minutes';

Question: What is the name of the DVD where the number of discs is greater than 2.0
SQL: SELECT "dvd_name" FROM "dvd_releases" WHERE "num_of_discs">2.0;