What is {prime minister} of {place of activity} of {Emma Goldman} ?
Where was Emma Goldman Prime Minister?
Where is {prime minister} {Emma Goldman}'s {place of activity}   ?
SELECT ?h WHERE { resource:Emma_Goldman property:work_location ?k . ?k property:head_of_government ?h }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q79969> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P937>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P6> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q79969 wdt:P937 ?X . ?X wdt:P6 ?answer}
Bill de Blasio