Who is the successor for massachusetts 8th?
CREATE TABLE table_228439_4 (
    successor VARCHAR,
    district VARCHAR
)
SELECT successor FROM table_228439_4 WHERE district = "Massachusetts 8th"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who is the successor for massachusetts 8th? ### Input: CREATE TABLE table_228439_4 (
    successor VARCHAR,
    district VARCHAR
) ### Response: SELECT successor FROM table_228439_4 WHERE district = "Massachusetts 8th"