SELECT T1.donator_name FROM endowment AS T1 JOIN school AS T2 ON T1.school_id  =  T2.school_id WHERE T2.school_name  =  'Glenn' INTERSECT SELECT T1.donator_name FROM endowment AS T1 JOIN school AS T2 ON T1.school_id  =  T2.school_id WHERE T2.school_name  =  'Triton'
Show the names of donors who donated to both school "Glenn" and "Triton."
SELECT T1.donator_name FROM endowment AS T1 JOIN school AS T2 ON T1.school_id = T2.school_id WHERE T2.school_name = 'Glenn ' INTERSECT SELECT T1.donator_name FROM endowment AS T1 JOIN school AS T2 ON T1.school_id = T2.school_id WHERE T2.school_name = 'Triton '
select t1 . donator_name from endowment as t1 join school as t2 on t1 . school_id = t2 . school_id where t2 . school_name = value intersect select t1 . donator_name from endowment as t1 join school as t2 on t1 . school_id = t2 . school_id where t2 . school_name = value
Show the names of donors who donated to both school `` Glenn '' and `` Triton . ''