What champion has north melbourne as the runner-up?
CREATE TABLE table_12647 (
    "Year" real,
    "Champion" text,
    "Runner-Up" text,
    "Score" text,
    "Venue" text
)
SELECT "Champion" FROM table_12647 WHERE "Runner-Up" = 'north melbourne'
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 champion has north melbourne as the runner-up? ### Input: CREATE TABLE table_12647 (
    "Year" real,
    "Champion" text,
    "Runner-Up" text,
    "Score" text,
    "Venue" text
) ### Response: SELECT "Champion" FROM table_12647 WHERE "Runner-Up" = 'north melbourne'