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_96 (country VARCHAR, transfer_fee VARCHAR, moving_to VARCHAR)
### Question:
What country is the player, with an undisclosed transfer fee and moving to Nacional, from?
### Answer:
SELECT country FROM table_name_96 WHERE transfer_fee = "undisclosed" AND moving_to = "nacional"