CREATE TABLE cite (citingpaperid NUMBER, citedpaperid NUMBER)
CREATE TABLE paperfield (fieldid NUMBER, paperid NUMBER)
CREATE TABLE author (authorid NUMBER, authorname VARCHAR2)
CREATE TABLE dataset (datasetid NUMBER, datasetname VARCHAR2)
CREATE TABLE writes (paperid NUMBER, authorid NUMBER)
CREATE TABLE paperdataset (paperid NUMBER, datasetid NUMBER)
CREATE TABLE field (fieldid NUMBER)
CREATE TABLE venue (venueid NUMBER, venuename VARCHAR2)
CREATE TABLE paperkeyphrase (paperid NUMBER, keyphraseid NUMBER)
CREATE TABLE journal (journalid NUMBER, journalname VARCHAR2)
CREATE TABLE keyphrase (keyphraseid NUMBER, keyphrasename VARCHAR2)
CREATE TABLE paper (paperid NUMBER, title VARCHAR2, venueid NUMBER, year NUMBER, numciting NUMBER, numcitedby NUMBER, journalid NUMBER)

does Li Dong or Luke Zettlemoyer have more papers ?
SELECT DISTINCT author.authorname, COUNT(writes.paperid) FROM author, writes WHERE author.authorname IN ('Li Dong', 'Luke Zettlemoyer') AND writes.authorid = author.authorid GROUP BY author.authorname ORDER BY COUNT(writes.paperid) DESC
SELECT DISTINCT "author"."authorname", COUNT("writes"."paperid") FROM "author" JOIN "writes" ON "author"."authorid" = "writes"."authorid" WHERE "author"."authorname" IN ('Li Dong', 'Luke Zettlemoyer') GROUP BY "author"."authorname" ORDER BY COUNT("writes"."paperid") DESC