What is the {human} for {head of government} of {German Democratic Republic}
Who is the {human} for {head of government} of {German Majority rule Republic}
Who is the {human} for {head of government} of {German Democratic Republic}
SELECT DISTINCT ?g WHERE { resource:East_Germany property:head_of_government ?g . ?g rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q16957> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P6> . ?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/Q5> } 
 select distinct ?obj where { wd:Q16957 wdt:P6 ?obj . ?obj wdt:P31 wd:Q5 } 
Otto Grotewohl Willi Stoph Hans Modrow Lothar de Maizière Horst Sindermann