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_47 (power VARCHAR, fuel_system VARCHAR, displacement VARCHAR)
### Question:
How much power does the fuel injection system have with a displacement of 1991cc?
### Answer:
SELECT power FROM table_name_47 WHERE fuel_system = "fuel injection" AND displacement = "1991cc"