SELECT t1.owner FROM program AS t1 JOIN broadcast AS t2 ON t1.program_id  =  t2.program_id WHERE t2.Time_of_day  =  "Morning" INTERSECT SELECT t1.owner FROM program AS t1 JOIN broadcast AS t2 ON t1.program_id  =  t2.program_id WHERE t2.Time_of_day  =  "Night"
find the program owners that have some programs in both morning and night time.
SELECT t1.owner FROM program AS t1 JOIN broadcast AS t2 ON t1.program_id = t2.program_id WHERE t2.Time_of_day = `` Morning '' INTERSECT SELECT t1.owner FROM program AS t1 JOIN broadcast AS t2 ON t1.program_id = t2.program_id WHERE t2.Time_of_day = `` Night ''
select t1 . owner from program as t1 join broadcast as t2 on t1 . program_id = t2 . program_id where t2 . time_of_day = value intersect select t1 . owner from program as t1 join broadcast as t2 on t1 . program_id = t2 . program_id where t2 . time_of_day = value
find the program owners that have some programs in both morning and night time .