what author is most cited ?
SELECT DISTINCT t1.authorname  ,  COUNT ( t3.citingpaperid ) FROM writes AS t2 JOIN author AS t1 ON t2.authorid  =  t1.authorid JOIN cite AS t3 ON t2.paperid  =  t3.citedpaperid GROUP BY t1.authorname ORDER BY COUNT ( t3.citingpaperid ) DESC;
SELECT DISTINCT t1.authorname  ,  COUNT ( t3.citingpaperid ) FROM writes AS t2 JOIN author AS t1 ON t2.authorid  =  t1.authorid JOIN cite AS t3 ON t2.paperid  =  t3.citedpaperid GROUP BY t1.authorname ORDER BY COUNT ( t3.citingpaperid ) DESC;
[{'Nenhum': 'Nenhum resultado encontrado'}]