Question: Which university did Martin Luther King Jr attend, as well as being  the publisher of the periodical journal, AGNI?
Answer(s):
answer: Boston University

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.051cc)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.051cc ns:people.person.education ?y .
?y ns:education.education.institution ?x .
?x ns:book.periodical_publisher.periodicals_published ?c .
?c ns:book.periodical_publisher_period.periodical ns:m.0281vbq . 
}