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_24620684_2 (us_national_average_electric_mix VARCHAR, vehicle VARCHAR)
### Question:
When bmw activee is the vehicle type what is the u.s national average electric mix?
### Answer:
SELECT us_national_average_electric_mix FROM table_24620684_2 WHERE vehicle = "BMW ActiveE"