what is the {start time} for {Nelson Mandela Bay Metropolitan Municipality} has {twinned administrative body} as {Gothenburg} ?
On which date was Nelson Mandela Bay Metropolitan Municipality twinned adminsitrative in Gothenburg?
When was Nelson Mandela Bay Metropolitan Municipality twinned adminsitrative in Gothenburg?
SELECT ?o WHERE { ?v property:start_time ?o . ?v property:twinned_administrative_body resource:Gothenburg . resource:Nelson_Mandela_Bay_Metropolitan_Municipality property:twinned_administrative_body ?v }
select distinct ?value  where {
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?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/Q25287> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q1856565 p:P190 ?s . ?s ps:P190 wd:Q25287 . ?s pq:P580 ?value}