What is {spouse} of {Paul Simon} that is {start time} is {1992-5-30} ?
On May 30, 1992, who did Paul Simon marry?
Who did Paul Simon marry on May 30, 1992?
SELECT ?e WHERE { FILTER ( CONTAINS ( YEAR ( ?j ) , '1992' ) ) . ?g property:spouse ?e . resource:Paul_Simon property:spouse ?g . ?g property:start_time ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q4028> .
?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/P580> <1992-5-30>
} 

SELECT ?obj WHERE { wd:Q4028 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1992')) }