Question: Which of the states containing the Connecticut River adopted their governmental jurisdiction location symbol prior to 1907?
Answer(s):
answer: Vermont
answer: Massachusetts

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01ldvs)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01ldvs ns:location.location.partially_containedby ?x .
?x ns:common.topic.notable_types ns:m.0kpys4 .
?x ns:government.governmental_jurisdiction.official_symbols ?c .
?c ns:location.location_symbol_relationship.date_adopted ?num .
FILTER (?num < "1907"^^xsd:dateTime) . 
}