What is {publisher} of {Pac-Man} and {publication date}
When did distributer of Pac-Man and distribution date?
When did publisher of Pac-Man and publication date?
SELECT ?g ?y WHERE { ?n property:publication_date ?g . . resource:Pac-Man property:publisher ?n . ?n property:publisher ?y }
select distinct ?dataprop1 ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q173626> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P123> . ?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:Q173626 p:P123 ?s . ?s ps:P123 ?obj . ?s pq:P577 ?value1 . }