What is {located in time zone} of {Aachen} that is {valid in period} is {standard time} ?
What time zone is Aachen in, and what is the current time there?
When looking at the city of Aachen, what is the time zone the city is located in and what time is it there currently?
SELECT ?a WHERE { ?o property:located_in_time_zone ?a . resource:Aachen property:located_in_time_zone ?o . ?o 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/Q1017> .
?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:Q1017 p:P421 ?s . ?s ps:P421 ?obj . ?s pq:P1264 wd:Q1777301 }