Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_19 ( ceased_to_be_countess VARCHAR, birth VARCHAR )

### Question ###
When did the person born on 3 May 1446 cease to be countess?

### Accurate SQL ###

SELECT ceased_to_be_countess FROM table_name_19 WHERE birth = "3 may 1446"