What is the total budget amount for school "Glenn" in all years?
SELECT sum(T1.budgeted) FROM budget AS T1 JOIN school AS T2 ON T1.school_id  =  T2.school_id WHERE T2.school_name  =  'Glenn'
total budget amount = SUM(budgeted); for school 'Glenn' in all years refers to WHERE school_name = 'Glenn';