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Elected to the New Hampshire State Legislature in 2006 , he served as clerk on the Science , Technology and Energy Committee and as a member of the state 's Energy Efficiency and Sustainable Energy Board , where he chaired a committee on reduction of energy at the municipal level .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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