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_2147588_4 ( date_successor_seated VARCHAR, successor VARCHAR )

### Question ###
When john w. leftwich (uu) is the successor what is the date the successor was seated?

### Accurate SQL ###

SELECT date_successor_seated FROM table_2147588_4 WHERE successor = "John W. Leftwich (UU)"