What is {discoverer} of {natural selection}, that has {birth year} is {1809-2-12} ?
Name the discoverer of Natural Selection and have delivery yr as 12-Feb-1809.
Name the discoverer of Natural Selection and have birth year as 12-Feb-1809.
SELECT ?w WHERE { ?w property:date_of_birth ?t . FILTER ( CONTAINS ( YEAR ( ?t ) , '1809' ) ) . resource:natural_selection property:discoverer_or_inventor ?w }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q43478> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P61>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?answer. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P569> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <1809-2-12> . }
SELECT ?answer WHERE { wd:Q43478 wdt:P61 ?answer . ?answer wdt:P569 ?x FILTER(contains(YEAR(?x),'1809'))}
Charles Darwin