What is {notable work} of {Christopher Hitchens} and {publication date}
What may be a outstanding work of Christopher Hitcheens and when did he distribute it?
What is a notable work of Christopher Hitcheens and when did he publish it?
SELECT ?q ?w WHERE { resource:Christopher_Hitchens property:notable_work ?r . ?r property:publication_date ?q . . ?r property:notable_work ?w }
select distinct ?dataprop1 ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q49081> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P800> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?statement <http://www.wikidata.org/entity/P580> ?dataprop1 . } 
SELECT ?value1 ?obj WHERE { wd:Q49081 p:P800 ?s . ?s ps:P800 ?obj . ?s pq:P577 ?value1 . }