what are the number of matches that happened in japan ?
CREATE TABLE table_204_684 (
    id number,
    "wrestler:" text,
    "times:" number,
    "date:" text,
    "location:" text,
    "notes:" text
)
SELECT COUNT(*) FROM table_204_684 WHERE "location:" = 'japan'
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 are the number of matches that happened in japan ? ### Input: CREATE TABLE table_204_684 (
    id number,
    "wrestler:" text,
    "times:" number,
    "date:" text,
    "location:" text,
    "notes:" text
) ### Response: SELECT COUNT(*) FROM table_204_684 WHERE "location:" = 'japan'