Question: What are the two conferences named in the sports league that inlcudes NFL didgital media as a part of their business?
Answer(s):
answer: National Football Conference
answer: American Football Conference

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:organization.organization.child ?k .
?k ns:organization.organization_relationship.child ns:m.0101b9j1 . 
?c ns:organization.organization.child ?y .
?y ns:organization.organization_relationship.child ?x .
?x ns:common.topic.notable_types ns:m.025dnr9 .
}