Who was the vacator for the district of Nebraska at-large?
CREATE TABLE table_2417390_4 (vacator VARCHAR, district VARCHAR)
SELECT vacator FROM table_2417390_4 WHERE district = "Nebraska At-large"
### Context: CREATE TABLE table_2417390_4 (vacator VARCHAR, district VARCHAR) ### Question: Who was the vacator for the district of Nebraska at-large? ### Answer: SELECT vacator FROM table_2417390_4 WHERE district = "Nebraska At-large"