What is the {video game publisher} for {manufacturer} of {Atari 2600}
Who is the publisher of Atari 2600 video games?
 select distinct ?obj where { wd:Q206261 wdt:P176 ?obj . ?obj wdt:P31 wd:Q1137109 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q206261> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P176> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1137109> } 
Who is Atari's 2600 video games publisher?