Question: Which ethinicity of  Riley Reid is the state of origin of Holmes Colbert?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Riley_Reid> <http://dbpedia.org/property/ethnicity> ?uri. <http://dbpedia.org/resource/Holmes_Colbert> <http://dbpedia.org/ontology/stateOfOrigin> ?uri}