SELECT id FROM TV_Channel EXCEPT SELECT channel FROM cartoon WHERE directed_by  =  'Ben Jones'
find the id of tv channels that do not play any cartoon directed by Ben Jones.
SELECT id FROM TV_Channel EXCEPT SELECT channel FROM cartoon WHERE directed_by = 'Ben Jones '
select id from tv_channel except select channel from cartoon where directed_by = value
find the id of tv channels that do not play any cartoon directed by Ben Jones .