Question: What was featured in Krakota: The Day the World Exploded and is also what Mount St. Helen's is?
Answer(s):
answer: Volcano

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.094xz)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.094xz ns:geography.mountain.mountain_type ?x .
?x ns:book.book_subject.works ns:m.0gjb68b . 
}