Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_56 (velocity__km_h_ INTEGER, date VARCHAR)
### Question:
on august 16, 1963, what is the velocity?
### Answer:
SELECT SUM(velocity__km_h_) FROM table_name_56 WHERE date = "august 16, 1963"