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_24399 ( "District" text, "Vacator" text, "Reason for change" text, "Successor" text, "Date successor seated" text )

### Question ###
When james brooks (d) is the vacator what is the date the successor was seated?

### Accurate SQL ###

SELECT "Date successor seated" FROM table_24399 WHERE "Vacator" = 'James Brooks (D)'