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_name_32 (removal_treaty__year_signed_ VARCHAR, nation VARCHAR)
  ### Question:
  Which removal treaty covered the chickasaw nation?
  ### Answer:
  SELECT removal_treaty__year_signed_ FROM table_name_32 WHERE nation = "chickasaw"