Question: What is the common branch of military of Edward Joseph Schwartz  and John Tower ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT ?uri WHERE { res:Edward_Joseph_Schwartz prop:branch ?uri. res:John_Tower onto:militaryBranch ?uri}