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_970 ( id number, "year" number, "award" text, "category" text, "title" text, "result" text )

### Question ###
how long after his first best actor academy award , did mr. borgnine receive his screen actors guild life acheivement award ?

### Accurate SQL ###

SELECT ABS((SELECT "year" FROM table_204_970 WHERE "category" = 'best actor' AND "award" = 'academy award') - (SELECT "year" FROM table_204_970 WHERE "award" = 'screen actors guild life achievement award'))