Which of the private colleges is the oldest, and whose nickname is the Mountaineers?
CREATE TABLE table_74673 (
    "Institution" text,
    "Nickname" text,
    "Location" text,
    "Founded" real,
    "Type" text,
    "Enrollment" real
)
SELECT MIN("Founded") FROM table_74673 WHERE "Type" = 'private' AND "Nickname" = 'mountaineers'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which of the private colleges is the oldest, and whose nickname is the Mountaineers? ### Input: CREATE TABLE table_74673 (
    "Institution" text,
    "Nickname" text,
    "Location" text,
    "Founded" real,
    "Type" text,
    "Enrollment" real
) ### Response: SELECT MIN("Founded") FROM table_74673 WHERE "Type" = 'private' AND "Nickname" = 'mountaineers'