What is {located in time zone} of {Seattle} that is {valid in period} is {standard time} ?
When are the clocks in Seattle running according to "Standard Time"?
When is the time zone in Seattle in standard time?
SELECT ?i WHERE { ?k property:located_in_time_zone ?i . resource:Seattle property:located_in_time_zone ?k . ?k property:valid_in_period resource:standard_time }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q5083> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P1264> <http://wikidata.dbpedia.org/resource/Q1777301>
} 

SELECT ?obj WHERE { wd:Q5083 p:P421 ?s . ?s ps:P421 ?obj . ?s pq:P1264 wd:Q1777301 }