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_19643196_1 (year VARCHAR, transmission VARCHAR, engine VARCHAR)
### Question:
Which year had a transmission of Voith D863.4 and a Cummins ISM engine?
### Answer:
SELECT year FROM table_19643196_1 WHERE transmission = "Voith D863.4" AND engine = "Cummins ISM"