what is the {start time} for {Axel Springer} has {spouse} as {Martha Else Meyer} ?
What time does Axel Springer start?
What is the start time for Axel Springer, husband of Martha Else Meyer?
SELECT ?c WHERE { ?r property:start_time ?c . ?r property:spouse resource:Martha_Else_Meyer . resource:Axel_Springer property:spouse ?r }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q216183> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P26> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1903037> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q216183 p:P26 ?s . ?s ps:P26 wd:Q1903037 . ?s pq:P580 ?value}