Question: What is the position  elected in  for  Robert Gascoyne - Cecil, 3rd Marquess of Salisbury held as  Member of the 18th Parliament of the United Kingdom ?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q243705 p:P39 ?s . ?s ps:P39 wd:Q41582558 . ?s pq:P2715 ?value}