Question: In 2007-07-28 which exhibition venue opened in liverpool england?
Answer(s):
answer: Merseyside Maritime Museum

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.04lh6)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.04lh6 ns:travel.travel_destination.tourist_attractions ?x .
?x ns:exhibitions.exhibition_venue.exhibitions_at_this_venue ?c .
?c ns:exhibitions.exhibition_run.opened_on "2007-07-28"^^xsd:dateTime . 
}