What is {significant event} of {Frédéric Chopin} that is {point in time} is {1849-10-30} ?
What important event happened for Frederic Chopin in 1849?
For what  Frederic Chopin  was in significant event in the year 1849?
SELECT ?o WHERE { ?h property:significant_event ?o . FILTER ( CONTAINS ( YEAR ( ?r ) , '1849' ) ) . ?h property:point_in_time ?r . resource:Frédéric_Chopin property:significant_event ?h }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1268> .
?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/P585> <1849-10-30>
} 

SELECT ?obj WHERE { wd:Q1268 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1849')) }