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_24494 ( "State (class)" text, "Vacator" text, "Reason for change" text, "Successor" text, "Date of successors formal installation" text )

### Question ###
Who is every vacator if date of successors formal installation is August 8, 1960?

### Accurate SQL ###

SELECT "Vacator" FROM table_24494 WHERE "Date of successors formal installation" = 'August 8, 1960'