Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
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?

### Inputs:
table_name: table, columns: ['Manufacturer', 'Model', 'Transmission', 'Engine Capacity', 'Fuel Type', 'L/100km Urban (Cold)', 'L/100km Extra-Urban', 'L/100km Combined', 'mpg-UK Urban (Cold)', 'mpg-UK Extra-Urban', 'mpg-UK Combined', 'mpg-US Urban', 'mpg-US Extra-Urban', 'mpg-US Combined', 'CO 2 g/km', 'Green Rating']

### Response:
SELECT Model FROM table WHERE Green Rating = g AND Manufacturer = chrysler jeep AND L/100km Urban (Cold) < 18 AND mpg-UK Combined = 27.7