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_598 ( id number, "name" text, "state of residence" text, "took office" text, "left office" text, "president served under" text )

### Question ###
how many years did karl rove stay in office ?

### Accurate SQL ###

SELECT "left office" - "took office" FROM table_204_598 WHERE "name" = 'karl rove'