Question: Give me all female Russian astronauts.
SPARQL query:
PREFIX yago: <http://dbpedia.org/class/yago/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT DISTINCT ?uri ?string WHERE { ?uri rdf:type yago:RussianCosmonauts . ?uri rdf:type yago:FemaleAstronauts . OPTIONAL { ?uri rdfs:label ?string. FILTER (lang(?string) = 'en') } }