Question: Which place founded by Penobscot Island Air is also the location fo Ellei Johndro ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Penobscot_Island_Air> <http://dbpedia.org/property/founded> ?uri. <http://dbpedia.org/resource/Ellei_Johndro> <http://dbpedia.org/ontology/birthPlace> ?uri}