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_51 (length_of_retirement VARCHAR, age_at_inauguration VARCHAR)
### Question:
What is the Length of retirement of the President with an Age at inauguration of 70years, 53days?
### Answer:
SELECT length_of_retirement FROM table_name_51 WHERE age_at_inauguration = "70years, 53days"