Question: Which leader of United States House of Representatives was the appointer of John Drayton?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/United_States_House_of_Representatives_elections,_1788_and_1789> prop:leader ?uri. <http://dbpedia.org/resource/John_Drayton> prop:appointer ?uri}