instruction: What is the most cited paper at sigcomm ?
response: SELECT DISTINCT cite.citedpaperid, COUNT(cite.citingpaperid) FROM cite, paper, venue WHERE paper.paperid = cite.citedpaperid AND venue.venueid = paper.venueid AND venue.venuename = 'sigcomm' GROUP BY cite.citedpaperid ORDER BY COUNT(cite.citingpaperid) DESC