CREATE TABLE paper (paperid INT, title VARCHAR, venueid INT, year INT, numciting INT, numcitedby INT, journalid INT)
CREATE TABLE author (authorid INT, authorname VARCHAR)
CREATE TABLE dataset (datasetid INT, datasetname VARCHAR)
CREATE TABLE paperkeyphrase (paperid INT, keyphraseid INT)
CREATE TABLE venue (venueid INT, venuename VARCHAR)
CREATE TABLE cite (citingpaperid INT, citedpaperid INT)
CREATE TABLE keyphrase (keyphraseid INT, keyphrasename VARCHAR)
CREATE TABLE paperfield (fieldid INT, paperid INT)
CREATE TABLE writes (paperid INT, authorid INT)
CREATE TABLE field (fieldid INT)
CREATE TABLE journal (journalid INT, journalname VARCHAR)
CREATE TABLE paperdataset (paperid INT, datasetid INT)

what is ohad shamir 's most cited paper ?
SELECT DISTINCT cite.citedpaperid, COUNT(cite.citedpaperid) FROM author, cite, paper, writes WHERE author.authorname = 'ohad shamir' AND paper.paperid = cite.citedpaperid AND writes.authorid = author.authorid AND writes.paperid = paper.paperid GROUP BY cite.citedpaperid ORDER BY COUNT(cite.citedpaperid) DESC
SELECT DISTINCT "cite"."citedpaperid", COUNT("cite"."citedpaperid") FROM "author" CROSS JOIN "cite" JOIN "paper" ON "cite"."citedpaperid" = "paper"."paperid" JOIN "writes" ON "author"."authorid" = "writes"."authorid" AND "paper"."paperid" = "writes"."paperid" WHERE "author"."authorname" = 'ohad shamir' GROUP BY "cite"."citedpaperid" ORDER BY COUNT("cite"."citedpaperid") DESC NULLS LAST