what's the total number of race winner with rnd being 10
CREATE TABLE table_16712 (
    "Rnd" real,
    "Race" text,
    "Date" text,
    "Location" text,
    "Pole Position" text,
    "Fastest Lap" text,
    "Race Winner" text,
    "Constructor" text,
    "Report" text
)
SELECT COUNT("Race Winner") FROM table_16712 WHERE "Rnd" = '10'
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's the total number of race winner with rnd being 10 ### Input: CREATE TABLE table_16712 (
    "Rnd" real,
    "Race" text,
    "Date" text,
    "Location" text,
    "Pole Position" text,
    "Fastest Lap" text,
    "Race Winner" text,
    "Constructor" text,
    "Report" text
) ### Response: SELECT COUNT("Race Winner") FROM table_16712 WHERE "Rnd" = '10'