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_20875 ( "District" text, "Vacator" text, "Reason for change" text, "Successor" text, "Date successor seated" text )

### Question ###
what is the date the successor seated because the person died august 17, 1954?

### Accurate SQL ###

SELECT "Date successor seated" FROM table_20875 WHERE "Reason for change" = 'Died August 17, 1954'