Food in which countries has shallot in it?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/ingredient> <http://dbpedia.org/resource/Shallot> . ?x <http://dbpedia.org/ontology/country> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Food>}
Shallot