Database: scholar
Question: who published the most papers in syntactic parsing ?
SQL: select distinct count ( t4.paperid )  ,  t3.authorid from paperkeyphrase as t1 join keyphrase as t2 on t1.keyphraseid  =  t2.keyphraseid join paper as t4 on t4.paperid  =  t1.paperid join writes as t3 on t3.paperid  =  t4.paperid where t2.keyphrasename  =  "syntactic parsing" group by t3.authorid order by count ( t4.paperid ) desc;