CREATE TABLE table_name_6 (model VARCHAR(255), mpg_uk_combined VARCHAR(255), l_100km_urban__cold_ VARCHAR(255), green_rating VARCHAR(255), manufacturer VARCHAR(255))
What model has a g green rating, has chrysler jeep as a manufacturer, has an l/100km urban (cold) less than 18, and has an mpg-uk combined of 27.7?
    
SQL: SELECT model FROM table_name_6 WHERE green_rating = "g" AND manufacturer = "chrysler jeep" AND l_100km_urban__cold_ < 18 AND mpg_uk_combined = 27.7