what is the {start time} for {Liverpool} has {twinned administrative body} as {Cologne} ?
What time does the Cologne administrative body begin?
What is the start time for Liverpool, who also has Cologne as its twinned administrative body?
SELECT ?c WHERE { ?n property:twinned_administrative_body resource:Cologne . ?n property:start_time ?c . resource:Liverpool property:twinned_administrative_body ?n }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q24826> .
?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/Q365> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q24826 p:P190 ?s . ?s ps:P190 wd:Q365 . ?s pq:P580 ?value}