what is the {valid in period} for {Nancy} has {located in time zone} as {UTC+02:00} ?
What was the date on which Nancy located in the time zome UTC+02:00?
When was Nancy located in the time zone UTC+02:00?
SELECT ?b WHERE { ?y property:valid_in_period ?b . ?y property:located_in_time_zone resource:UTC+02:00 . resource:Nancy property:located_in_time_zone ?y }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q40898> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P421> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q6723> .
?statement <http://www.wikidata.org/entity/P1264> ?value. 
} 

SELECT ?value WHERE { wd:Q40898 p:P421 ?s . ?s ps:P421 wd:Q6723 . ?s pq:P1264 ?value}