what is the {start time} for {Vladimir Vysotsky} has {spouse} as {Lyudmyla Abramova} ?
When did  Vladimir Vysotsky marry Lyudmyla Abramova?
In what year was Vladimir Vysotsky married to Lyudmyla Abramova?
SELECT ?x WHERE { ?p property:start_time ?x . resource:Vladimir_Vysotsky property:spouse ?p . ?p property:spouse resource:Lyudmila_Abramova }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q512> .
?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/Q4054963> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q512 p:P26 ?s . ?s ps:P26 wd:Q4054963 . ?s pq:P580 ?value}