question: In the 2006 study , Southampton was discovered to be one of the lowest carbon emitters out of major cities in what large geographical area ?
answer: United Kingdom
turker_answer: Southampton was discovered to be one of the lowest carbon emitters out of major cities in United Kingdom in 2006 .
rule-based: In the 2006 study , Southampton was discovered to be one of the lowest carbon emitters out of major cities in United Kingdom large geographical area .