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

In what year did luke zettlemoyer publish the most papers
SELECT DISTINCT COUNT(DISTINCT paper.paperid), paper.year FROM author, paper, writes WHERE author.authorname LIKE 'luke zettlemoyer' AND writes.authorid = author.authorid AND writes.authorid = author.authorid AND writes.paperid = paper.paperid GROUP BY paper.year ORDER BY COUNT(DISTINCT paper.paperid) DESC
SELECT DISTINCT COUNT(DISTINCT "paper"."paperid"), "paper"."year" FROM "author" JOIN "writes" ON "author"."authorid" = "writes"."authorid" JOIN "paper" ON "paper"."paperid" = "writes"."paperid" WHERE "author"."authorname" LIKE 'luke zettlemoyer' GROUP BY "paper"."year" ORDER BY COUNT(DISTINCT "paper"."paperid") DESC NULLS LAST