Question: What is the combatant of the Northwest Indian War and also the ethnic group of the Linda Hogan 
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Northwest_Indian_War> <http://dbpedia.org/property/combatant> ?uri. <http://dbpedia.org/resource/Linda_Hogan> <http://dbpedia.org/property/ethnicity> ?uri}