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_13 (overall INTEGER, pick__number VARCHAR, round VARCHAR)
### Question:
How much Overall has a Pick # smaller than 20, and a Round smaller than 6?
### Answer:
SELECT SUM(overall) FROM table_name_13 WHERE pick__number < 20 AND round < 6