Question: Which scientist was advised by John Robert Woodyard?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/doctoralAdvisor> <http://dbpedia.org/resource/John_Robert_Woodyard>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Scientist>}