select university, count(device_id) total_cnt, sum(case when gender='male' then 1 else 0 end) male_cnt, sum(case when gender='female' then 1 else 0 end) female_cnt, sum(case when age<23 then 1 else 0 end) lt23_cnt from user_profile group by university having avg(gpa)>3.6 and count(device_id)>2



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