What is {inventor or discoverer} of {Messier 87}, that has {gender identity} is {male} ?
What is the name of the inventor or discoverer of Messier 87 whose gender is male?
SELECT ?answer WHERE { wd:Q14041 wdt:P61 ?answer . ?answer wdt:P21 wd:Q6581097}
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q14041> . ?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/P21> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q6581097> . }
What is the name of the inventor or discoverer of Messier 87 whose gender is male?