What is the {military operation} for {location} of {Soviet Union}
which gathering begins with the letter u
Which is the military operation in the location of Soviet Union?
SELECT DISTINCT ?b WHERE { ?b rdf:type ontology:military_operation . ?b property:location resource:Soviet_Union }
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/Q645883> } 
 select distinct ?sbj where { ?sbj wdt:P276 wd:Q15180 . ?sbj wdt:P31 wd:Q645883 } 
Operation Barbarossa