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_204_734 ( id number, "first name" text, "surname" text, "death year" number, "beginning of\nservice" text, "end of\nservice" text, "notes" text )

### Question ###
what is the difference between the year seitz died and the year aizele died ?

### Accurate SQL ###

SELECT ABS((SELECT "death year" FROM table_204_734 WHERE "first name" = 'seitz') - (SELECT "death year" FROM table_204_734 WHERE "first name" = 'aizele'))