Question: What is the alma mater of the James Still which is also the alma mater of Tom Maniatis?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/James_Still> <http://dbpedia.org/ontology/almaMater> ?uri. <http://dbpedia.org/resource/Tom_Maniatis> <http://dbpedia.org/property/almaMater> ?uri}