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_name_86 (manufacturer_serial_numbers VARCHAR, year_s__withdrawn VARCHAR)
### Question:
What is the manufacturer serial number of the 1963 withdrawn year?
### Answer:
SELECT manufacturer_serial_numbers FROM table_name_86 WHERE year_s__withdrawn = "1963"