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_83 (founded INTEGER, type VARCHAR, nickname VARCHAR)
### Question:
Which of the private colleges is the oldest, and whose nickname is the Mountaineers?
### Answer:
SELECT MIN(founded) FROM table_name_83 WHERE type = "private" AND nickname = "mountaineers"