number of papers in sigir conference
SELECT DISTINCT COUNT ( t1.paperid ) FROM venue AS t2 JOIN paper AS t1 ON t2.venueid  =  t1.venueid WHERE t2.venuename  =  "sigir";
SELECT DISTINCT COUNT ( t1.paperid ) FROM venue AS t2 JOIN paper AS t1 ON t2.venueid  =  t1.venueid WHERE t2.venuename  =  "sigir";
[{'COUNT ( t1.paperid )': 0}]