Question: WHat event in Afghanistan was caused by an Al Qaeda attack?
Answer(s):
answer: Taliban insurgency

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0v74)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0v74 ns:base.disaster2.attacker.attack_s ?y .
?y ns:base.disaster2.attack_process.attack_event ?x .
?y ns:base.disaster2.attack_process.attacker ns:m.0v74 .
?x ns:time.event.included_in_event ns:m.0c_ym6 . 
}