What is the year joined with a Conference championships of 5, and a Nickname of wolfpack?
CREATE TABLE table_name_15 (
    joined VARCHAR,
    conference_championships VARCHAR,
    nickname VARCHAR
)
SELECT joined FROM table_name_15 WHERE conference_championships = 5 AND nickname = "wolfpack"
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: What is the year joined with a Conference championships of 5, and a Nickname of wolfpack? ### Input: CREATE TABLE table_name_15 (
    joined VARCHAR,
    conference_championships VARCHAR,
    nickname VARCHAR
) ### Response: SELECT joined FROM table_name_15 WHERE conference_championships = 5 AND nickname = "wolfpack"