What are the names of all the institutions?
select name from inst
Which one does "Matthias Blume" belong to?
select distinct t3.name from authors as t1 join authorship as t2 on t1.authid = t2.authid join inst as t3 on t2.instid = t3.instid where t1.fname = "Matthias" and t1.lname = "Blume"