CREATE TABLE writes (paperid INT, authorid INT)
CREATE TABLE journal (journalid INT, journalname VARCHAR)
CREATE TABLE paperdataset (paperid INT, datasetid INT)
CREATE TABLE venue (venueid INT, venuename VARCHAR)
CREATE TABLE author (authorid INT, authorname VARCHAR)
CREATE TABLE paperfield (fieldid INT, paperid INT)
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 dataset (datasetid INT, datasetname VARCHAR)
CREATE TABLE field (fieldid INT)
CREATE TABLE keyphrase (keyphraseid INT, keyphrasename VARCHAR)
CREATE TABLE paperkeyphrase (paperid INT, keyphraseid INT)

What is yejin choi 's latest paper ?
SELECT DISTINCT writes.paperid FROM author, paper, writes WHERE author.authorname = 'yejin choi' AND writes.authorid = author.authorid AND writes.paperid = paper.paperid ORDER BY paper.year DESC
SELECT DISTINCT "writes"."paperid" FROM "author" JOIN "writes" ON "author"."authorid" = "writes"."authorid" JOIN "paper" ON "paper"."paperid" = "writes"."paperid" WHERE "author"."authorname" = 'yejin choi' ORDER BY "paper"."year" DESC NULLS LAST