What is {employer} of {Winsor McCay} that is {start time} is {1900-0-0} ?
What year was Winsor McCay employed ?
when was Winsor McCay employed ?
SELECT ?j WHERE { FILTER ( CONTAINS ( YEAR ( ?x ) , '1900' ) ) . ?z property:employer ?j . ?z property:start_time ?x . resource:Winsor_McCay property:employer ?z }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q207960> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P108> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1900-0-0>
} 

SELECT ?obj WHERE { wd:Q207960 p:P108 ?s . ?s ps:P108 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1900')) }