What is {country} of {Belfast} and {start time}
What united states is Belfast located in, and when was once the town founded?
What country is Belfast located in, and when was the city founded?
SELECT ?b ?x WHERE { resource:Belfast property:country ?j . ?j property:start_time ?b . . ?j property:country ?x }
select distinct ?dataprop1 ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q10686> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P17> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?statement <http://www.wikidata.org/entity/P580> ?dataprop1 . } 
SELECT ?value1 ?obj WHERE { wd:Q10686 p:P17 ?s . ?s ps:P17 ?obj . ?s pq:P580 ?value1 . }