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_583 ( id number, "capacitor type" text, "capacity" text, "volts" text, "temp." text, "energy-to-weight ratio" text, "power-to-weight ratio" text )

### Question ###
which capacitor has the top voltage rating ?

### Accurate SQL ###

SELECT "capacitor type" FROM table_204_583 ORDER BY "volts" DESC LIMIT 1