Name the successor for not filled this congress
CREATE TABLE table_225200_4 (successor VARCHAR, date_successor_seated VARCHAR)
SELECT successor FROM table_225200_4 WHERE date_successor_seated = "Not filled this congress"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_225200_4 (successor VARCHAR, date_successor_seated VARCHAR) Question: Name the successor for not filled this congress [/INST] SELECT successor FROM table_225200_4 WHERE date_successor_seated = "Not filled this congress" </s>