What is {writer} of {The Murder of Roger Ackroyd}, that has {active since} is {1920-0-0} ?
Who is the writer of "The Murder of Roger Ackroyd", which has been energetic when you consider that 1920-0-0?
Who is the writer of "The Murder of Roger Ackroyd", which has been active since 1920-0-0?
SELECT ?e WHERE { ?e property:work_period_(start) ?a . resource:The_Murder_of_Roger_Ackroyd property:author ?e . FILTER ( CONTAINS ( YEAR ( ?a ) , '1920' ) ) }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q224078> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P50>. ?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/P2031> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <1920-0-0> . }
SELECT ?answer WHERE { wd:Q224078 wdt:P50 ?answer . ?answer wdt:P2031 ?x FILTER(contains(YEAR(?x),'1920'))}
Agatha Christie