Question: What is the name of the inventor or discoverer of Messier 87 whose gender is male?
Paraphrase: What is the name of the inventor or discoverer of Messier 87 whose gender is male?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q14041 wdt:P61 ?answer . ?answer wdt:P21 wd:Q6581097}
Answer: Charles Messier