What is the {office held by head of the organisation} and the {headquarters location} of {Commonwealth_of_Nations} ?
Who is the president of the Commonwealth of Nations?
What is the office of the head of the organization and the seat of the Commonwealth of Nations?
SELECT ?s ?u WHERE { resource:Commonwealth_of_Nations property:office_held_by_head_of_the_organization ?s . resource:Commonwealth_of_Nations property:headquarters_location ?u }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q7785> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2388> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q7785> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P159> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q7785 wdt:P2388 ?ans_1 . wd:Q7785 wdt:P159 ?ans_2 }
Head of the Commonwealth Marlborough House