Table: river_cottage_dvd
Columns: dvd_name
released
audio
aspect_ratio
duration
number_of_episodes
num_of_discs

Question: What is the aspect ratio of the DVD released on 12/10/2009?
SQL: SELECT "aspect_ratio" FROM river_cottage_dvd 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 river_cottage_dvd WHERE "num_of_discs" > 2.0

Question: How many releases did the DVD River Cottage forever have?
SQL: SELECT COUNT("released") FROM river_cottage_dvd 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 river_cottage_dvd 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 river_cottage_dvd WHERE "num_of_discs" > 2.0