What was the margin of victory when runner-up was K. J. Choi?
CREATE TABLE table_247955_2 (
    margin_of_victory VARCHAR,
    runner_s__up VARCHAR
)
SELECT margin_of_victory FROM table_247955_2 WHERE runner_s__up = "K. J. Choi"
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 margin of victory when runner-up was K. J. Choi? ### Input: CREATE TABLE table_247955_2 (
    margin_of_victory VARCHAR,
    runner_s__up VARCHAR
) ### Response: SELECT margin_of_victory FROM table_247955_2 WHERE runner_s__up = "K. J. Choi"