what is the {start time} for {Tuscany} has {contains administrative territorial entity} as {Metropolitan City of Florence} ?
What year was Tuscany named the capitol of Florence?
When did Tuscany become the capitol of Florence?
SELECT ?k WHERE { resource:Tuscany property:contains_administrative_territorial_entity ?w . ?w property:contains_administrative_territorial_entity resource:Metropolitan_City_of_Florence . ?w property:start_time ?k }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1273> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P150> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q18288148> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q1273 p:P150 ?s . ?s ps:P150 wd:Q18288148 . ?s pq:P580 ?value}