CREATE TABLE table_name_10 (date_of_inauguration VARCHAR, age_at_inauguration VARCHAR)

What is the Date of inauguration of the President with an Age at inauguration of 73years, 262days?
SELECT date_of_inauguration FROM table_name_10 WHERE age_at_inauguration = "73years, 262days"
SELECT "date_of_inauguration" FROM "table_name_10" WHERE "73years, 262days" = "age_at_inauguration"