Question: What event can be attended once a year in Montpelier Vermont?
Answer(s):
answer: Green Mountain Film Festival

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0bjy7)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0bjy7 ns:travel.travel_destination.tourist_attractions ?x .
?x ns:time.recurring_event.current_frequency ns:m.02n9t4t . 
}