Which colonel has allegiance to Colony of Virginia ?
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/allegiance> <http://dbpedia.org/resource/Colony_of_Virginia> . ?uri <http://dbpedia.org/property/rank> <http://dbpedia.org/resource/Colonel_(United_States)>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/OfficeHolder>}
Colony_of_Virginia Colonel_(United_States)