human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: President, Date of inauguration, Age at inauguration, End of term, Length of retirement, Lifespan
###Question: What is the Length of retirement of the President with an Age at inauguration of 70years, 53days?
gpt
SELECT Length of retirement FROM table WHERE Age at inauguration = 70years, 53days