Question: What college did the person who went to Aargau Cantolnal School teach at?
Answer(s):
answer: Institute for Advanced Study
answer: ETH Zurich
answer: University of Zurich
answer: Charles University in Prague
answer: Leiden University

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:people.person.education ?k .
?k ns:education.education.institution ns:m.0k05prt . 
?c ns:people.person.employment_history ?y .
?y ns:business.employment_tenure.company ?x .
?x ns:common.topic.notable_types ns:m.01y2hnl .
}