Question: What did the author of "A Briefer History of Time" study?
Answer(s):
answer: Physics

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.051jd_1 . 
?c ns:people.person.education ?y .
?y ns:education.education.major_field_of_study ?x .
}