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_81 (age_at_time_of_disaster VARCHAR, date_of_birth VARCHAR)
### Question:
How old was the person born 24 September 1851 at the time of disaster?
### Answer:
SELECT age_at_time_of_disaster FROM table_name_81 WHERE date_of_birth = "24 september 1851"