Question: Who was a member of the Democratic Party of Connecticut that became Connecticut's senator in 2010?
Answer(s):
answer: Joe Lieberman

SPARQL query:
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SELECT DISTINCT ?x
WHERE {
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FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01x73 ns:government.political_district.representatives ?y .
?y ns:government.government_position_held.office_holder ?x .
?y ns:government.government_position_held.office_position_or_title ns:m.02_7l8y .
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EXISTS {?y ns:government.government_position_held.from ?sk1 . 
FILTER(xsd:datetime(?sk1) <= "2010-12-31"^^xsd:dateTime) })
FILTER(NOT EXISTS {?y ns:government.government_position_held.to ?sk2} || 
EXISTS {?y ns:government.government_position_held.to ?sk3 . 
FILTER(xsd:datetime(?sk3) >= "2010-01-01"^^xsd:dateTime) })
?x ns:government.politician.party ?c .
?c ns:government.political_party_tenure.party ns:m.0288j4b . 
}