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_16565 ( "Character" text, "Portrayed by" text, "Relationship" text, "First appearance" text, "Last appearance" text )

### Question ###
What episode had the last appearances of the late wife of mac taylor?

### Accurate SQL ###

SELECT "Last appearance" FROM table_16565 WHERE "Relationship" = 'Late wife of Mac Taylor'