Question: What arena is the home of the Omaha Mavericks hockey team and hosted the 2012 NCAA basketball tournament?
Answer(s):
answer: CenturyLink Center Omaha

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:sports.sports_facility.teams ns:m.011sn9ft . 
}