What is the {video game publisher} for {developer} of {Space Invaders}
What video game did Space Invaders develop?
Space Invaders is the developer of which video game?
SELECT DISTINCT ?f WHERE { resource:Space_Invaders property:developer ?f . ?f rdf:type ontology:video_game_publisher }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q220665> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P178> . ?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> } 
 select distinct ?obj where { wd:Q220665 wdt:P178 ?obj . ?obj wdt:P31 wd:Q1137109 } 
Taito Corporation