Question: Who was buried at St. Mary's Church and fought the battle of  Benedict Arnold's expedition to Quebec ?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/battle> <http://dbpedia.org/resource/Benedict_Arnold's_expedition_to_Quebec> . ?uri <http://dbpedia.org/property/placeofburial> <http://dbpedia.org/resource/St_Mary's_Church,_Battersea>  . }