Question: Who is the scientist whose academic advisor was Karl Ewald Hasse?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/academicAdvisor> <http://dbpedia.org/resource/Karl_Ewald_Hasse>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Scientist>}
Answer: The scientist whose academic advisor is Karl Ewald Hasse is [Robert Koch].