What was the rank when the opponent was Wisconsin (played at Wisconsin)?
CREATE TABLE table_name_23 (
    rank__number VARCHAR,
    opponent_number VARCHAR
)
SELECT rank__number FROM table_name_23 WHERE opponent_number = "at wisconsin"
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 was the rank when the opponent was Wisconsin (played at Wisconsin)? ### Input: CREATE TABLE table_name_23 (
    rank__number VARCHAR,
    opponent_number VARCHAR
) ### Response: SELECT rank__number FROM table_name_23 WHERE opponent_number = "at wisconsin"