text: 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