Question: Which high school was attended by the author of "I Know Why the Caged Bird Sings?"?
Answer(s):
answer: George Washington High School

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:book.author.book_editions_published ns:m.04v0gmm . 
?c ns:people.person.education ?y .
?y ns:education.education.institution ?x .
?y ns:education.education.degree ns:m.0bpgx .
}