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_7 (pick__number INTEGER, position VARCHAR, overall VARCHAR)
### Question:
Position of defensive back, and an Overall smaller than 69 is what lowest pick #?
### Answer:
SELECT MIN(pick__number) FROM table_name_7 WHERE position = "defensive back" AND overall < 69