Question: What is the name of the author who wrote the most papers? | Do you mean the fname or  lname? | Both please
SQL: SELECT t1.lname,t1.fname FROM authors AS t1 JOIN authorship AS t2 ON t1.authid   =   t2.authid JOIN papers AS t3 ON t2.paperid   =   t3.paperid 
group by t1.authID order by count ( * )  desc limit 1