Question: Find the politician who spoke about the assassination of Martin Luther King, Jr, where did this person attend college?
Answer(s):
answer: Harvard College
answer: Bates College
answer: Milton Academy
answer: Harvard University
answer: University of Virginia School of Law
answer: University of Virginia

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:event.public_speaker.speeches_or_presentations ?k .
?k ns:event.speech_or_presentation.speech_topic ns:m.03hm37s . 
?c ns:people.person.education ?y .
?y ns:education.education.institution ?x .
}