how many winners from vietnam
CREATE TABLE table_12303563_2 (
    winners VARCHAR,
    nation VARCHAR
)
SELECT winners FROM table_12303563_2 WHERE nation = "Vietnam"
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: how many winners from vietnam ### Input: CREATE TABLE table_12303563_2 (
    winners VARCHAR,
    nation VARCHAR
) ### Response: SELECT winners FROM table_12303563_2 WHERE nation = "Vietnam"