Question: To what did the parliament member swore her oath to, whose has sons is Lohan Ratwatte?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:child <http://dbpedia.org/resource/Lohan_Ratwatte> . ?x prop:allegiance ?uri  . ?x rdf:type onto:MemberOfParliament}