what is the {start time} for {Parma} has {country} as {United Provinces of Central Italy} ?
Do you know the year in which Parma became a part of the United Provinces of Central Italy?
When did Parma become part of United Provinces of Central Italy?
SELECT ?k WHERE { resource:Parma property:country ?x . ?x property:start_time ?k . ?x property:country resource:United_Provinces_of_Central_Italy }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2683> .
?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> <http://wikidata.dbpedia.org/resource/Q2268597> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q2683 p:P17 ?s . ?s ps:P17 wd:Q2268597 . ?s pq:P580 ?value}