Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_18 (displacement_ VARCHAR, _configuration VARCHAR, emissions_co2 VARCHAR)
### Question:
What is the displacement & configuration with CO2 of 204 g/km emissions?
### Answer:
SELECT displacement_ & _configuration FROM table_name_18 WHERE emissions_co2 = "204 g/km"