Question: Which astronauts went on the Gemini 8 mission?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/mission> <http://dbpedia.org/resource/Gemini_8>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Astronaut>}
Answer: The astronauts who participated in Gemini 8 mission are [Neil Armstrong, David Scott].