Who was in missions of Gemini 8 and Apollo 11?
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/property/mission> <http://dbpedia.org/resource/Gemini_8> . ?uri <http://dbpedia.org/property/mission> <http://dbpedia.org/resource/Apollo_11> . }
Gemini_8 Apollo_11