Database: scholar
Question: what year had the most number of NIPS papers ?
SQL:
SELECT DISTINCT COUNT ( t1.paperid )  ,  t1.year FROM venue AS t2 JOIN paper AS t1 ON t2.venueid  =  t1.venueid WHERE t2.venuename  =  "NIPS" GROUP BY t1.year ORDER BY COUNT ( t1.paperid ) DESC;