WHAT IS THE TOTAL NUMBER WITH A ROUND BIGGER THAN 7 AND PICK OF 21?
CREATE TABLE table_47323 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
)
SELECT COUNT("Overall") FROM table_47323 WHERE "Round" > '7' AND "Pick" = '21'
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 IS THE TOTAL NUMBER WITH A ROUND BIGGER THAN 7 AND PICK OF 21? ### Input: CREATE TABLE table_47323 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
) ### Response: SELECT COUNT("Overall") FROM table_47323 WHERE "Round" > '7' AND "Pick" = '21'