What is the {sovereign state} for {participant} of {Battle of France}
Which paramount states were members within the Fight of France?
Which sovereign states were participants in the Battle of France?
SELECT DISTINCT ?r WHERE { ?r rdf:type ontology:sovereign_state . resource:Battle_of_France property:participant ?r }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q151340> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P710> . ?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/Q3624078> } 
 select distinct ?obj where { wd:Q151340 wdt:P710 ?obj . ?obj wdt:P31 wd:Q3624078 } 
Kingdom of the Netherlands Canada Belgium Luxembourg United Kingdom