Question: What structure which started construction on August 11, 1971 is the location of the 2012 NCAA Basketball Tournament?
Answer(s):
answer: Mercedes-Benz Superdome

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.080nmfs)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.080nmfs ns:time.event.locations ?x .
?x ns:architecture.structure.construction_started "1971-08-11"^^xsd:dateTime . 
}