What is {significant event} of {Nicholas II of Russia} and {place of marriage}
When did Russia's significant Nicholas II event and place of marriage take place?
When did significant event of Nicholas II of Russia and place of marriage?
SELECT ?f ?q WHERE { ?p property:significant_event ?q . resource:Nicholas_II_of_Russia property:significant_event ?p . ?p property:place_of_marriage ?f . }
select distinct ?dataprop1 ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q40787> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P793> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?statement <http://www.wikidata.org/entity/P580> ?dataprop1 . } 
SELECT ?value1 ?obj WHERE { wd:Q40787 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P2842 ?value1 . }