What are the name of all the organizations?
select name from inst
How many papers did each of them publish?
select t1.name, count(*) from inst as t1 join authorship as t2 on t1.instid = t2.instid join papers as t3 on t2.paperid = t3.paperid group by t1.name
Give me the name of the one published the most.
select t1.name from inst as t1 join authorship as t2 on t1.instid = t2.instid join papers as t3 on t2.paperid = t3.paperid group by t1.name order by count(*) desc limit 1