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_2030453_1 (date_motor_gear_fitted VARCHAR, lms_1946_no VARCHAR)
### Question:
When was the motor gear of the LMS 1946 no. 1901 model fitted?
### Answer:
SELECT date_motor_gear_fitted FROM table_2030453_1 WHERE lms_1946_no = 1901