How many rounds have a Pick of 13?
CREATE TABLE table_name_21 (
    round INTEGER,
    pick VARCHAR
)
SELECT SUM(round) FROM table_name_21 WHERE pick = 13
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 rounds have a Pick of 13? ### Input: CREATE TABLE table_name_21 (
    round INTEGER,
    pick VARCHAR
) ### Response: SELECT SUM(round) FROM table_name_21 WHERE pick = 13