Question: Which associat of Martin Pugh is also married to Alana Stewert ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Martin_Pugh> <http://dbpedia.org/property/associatedActs> ?uri. <http://dbpedia.org/resource/Alana_Stewart> <http://dbpedia.org/ontology/spouse> ?uri}