Question: What are the primary imports and exports of the nation whose national anthem is "March Forward, Dear Mother Ethiopia"?
Answer(s):
answer: Coffee and Tea Manufacturing
answer: Leather and Hide Tanning and Finishing
answer: Livestock Merchant Wholesalers

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:location.country.national_anthem ?k .
?k ns:government.national_anthem_of_a_country.anthem ns:m.01n8bk . 
?c ns:location.statistical_region.major_exports ?y .
?y ns:location.imports_exports_by_industry.industry ?x .
}