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_20 (displacement VARCHAR, model VARCHAR, fuel_system VARCHAR, power VARCHAR)
### Question:
What is the displacement when the fuel system is carburettor, and a power of ps (kw; hp), and also has a model of 2000?
### Answer:
SELECT displacement FROM table_name_20 WHERE fuel_system = "carburettor" AND power = "ps (kw; hp)" AND model = "2000"