SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/William_Clark> <http://dbpedia.org/property/appointer> ?uri }
Name the appointer of William Clark ?
SELECT DISTINCT ?i WHERE { resource:William_Clark property:appointer ?i }
James Madison
The appointer of William Clark is [James Madison].
William Clark was appointed by [James Madison].
[James Madison] is the appointer of him .
[James Madison] is his deputy.
[James Madison] is the appointer of the person .
[James Madison] is the persons's appointer.