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_23 (pick VARCHAR, position VARCHAR, round VARCHAR)
### Question:
How many picks are there for defensive back for rounds larger than 11?
### Answer:
SELECT COUNT(pick) FROM table_name_23 WHERE position = "defensive back" AND round > 11