Question: List the profession of senate whose one of the profession is United States Coast Guard ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:profession <http://dbpedia.org/resource/United_States_Coast_Guard> . ?x onto:profession ?uri . ?x rdf:type onto:Politician}