text: 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_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"