what is the rank when the mountain peak is isthmus peak?
CREATE TABLE table_name_63 (
    rank VARCHAR,
    mountain_peak VARCHAR
)
SELECT rank FROM table_name_63 WHERE mountain_peak = "isthmus peak"
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 rank when the mountain peak is isthmus peak? ### Input: CREATE TABLE table_name_63 (
    rank VARCHAR,
    mountain_peak VARCHAR
) ### Response: SELECT rank FROM table_name_63 WHERE mountain_peak = "isthmus peak"