what is the {start time} for {Perpignan} has {twinned administrative body} as {Tyre} ?
When did Perpignan start as the body of Tyre?
When did Perpignan start as twinned administrative body as Tyre?
SELECT ?x WHERE { ?k property:start_time ?x . resource:Perpignan property:twinned_administrative_body ?k . ?k property:twinned_administrative_body resource:Tyre }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q6730> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P190> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q82070> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q6730 p:P190 ?s . ?s ps:P190 wd:Q82070 . ?s pq:P580 ?value}