with min_gpa as (
    select university,min(gpa) as min_gpa from user_profile
    group by university
)
select up.device_id,up.university,mg.min_gpa as gpa 
from user_profile up
inner join min_gpa mg 
on up.university = mg.university and mg.min_gpa = up.gpa
order by up.university asc;