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

Does luke zettlemoyer have a paper in siggraph in 2016 ?
SELECT DISTINCT paper.paperid FROM author, paper, venue, writes WHERE author.authorname = 'luke zettlemoyer' AND paper.year = 2016 AND venue.venueid = paper.venueid AND venue.venuename = 'siggraph' AND writes.authorid = author.authorid AND writes.paperid = paper.paperid
SELECT DISTINCT "paper"."paperid" FROM "author" JOIN "writes" ON "author"."authorid" = "writes"."authorid" JOIN "paper" ON "paper"."paperid" = "writes"."paperid" AND "paper"."year" = 2016 JOIN "venue" ON "paper"."venueid" = "venue"."venueid" AND "venue"."venuename" = 'siggraph' WHERE "author"."authorname" = 'luke zettlemoyer'