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_10007452_3 (fuel_propulsion VARCHAR, fleet_series__quantity_ VARCHAR)
### Question:
what is the fuel propulsion where the fleet series (quantity) is 310-329 (20)?
### Answer:
SELECT fuel_propulsion FROM table_10007452_3 WHERE fleet_series__quantity_ = "310-329 (20)"