The successor for the Massachusetts 20th district was seated on what date?
CREATE TABLE table_225098_4 (date_successor_seated VARCHAR, district VARCHAR)
SELECT date_successor_seated FROM table_225098_4 WHERE district = "Massachusetts 20th"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_225098_4 (date_successor_seated VARCHAR, district VARCHAR) Question: The successor for the Massachusetts 20th district was seated on what date? [/INST] SELECT date_successor_seated FROM table_225098_4 WHERE district = "Massachusetts 20th" </s>