Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_225098_4 (vacator VARCHAR, district VARCHAR)
### Question:
Who vacated the Pennsylvania 6th district?
### Answer:
SELECT vacator FROM table_225098_4 WHERE district = "Pennsylvania 6th"