What is {spouse} of {Alexander Hamilton} that is {place of marriage} is {Schuyler Mansion} ?
what was alexander hamilton wifes name  ?
Who did Alexander Hamilton marry at Schuyler Mansion?
SELECT ?u WHERE { ?h property:place_of_marriage resource:Schuyler_Mansion . resource:Alexander_Hamilton property:spouse ?h . ?h property:spouse ?u }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q178903> .
?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> ?obj .
?statement <http://www.wikidata.org/entity/P2842> <http://wikidata.dbpedia.org/resource/Q1666617>
} 

SELECT ?obj WHERE { wd:Q178903 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P2842 wd:Q1666617 }