Question: What are all the countires where food related to tuna salad is consumed?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/related> <http://dbpedia.org/resource/Tuna_salad> . ?x <http://dbpedia.org/property/country> ?uri  . }
Answer: The countries with dishes related to tuna salad are [North America, Great Britain].