What is the {theater} for {location} of {Soviet Union}
who theater for area of Soviet Union?
who theater for location of Soviet Union?
SELECT DISTINCT ?f WHERE { ?f property:location resource:Soviet_Union . ?f rdf:type ontology:theater }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P276> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q15180> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q718893> } 
 select distinct ?sbj where { ?sbj wdt:P276 wd:Q15180 . ?sbj wdt:P31 wd:Q718893 } 
Eastern Front