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_87 (player VARCHAR, position VARCHAR, round VARCHAR)
### Question:
Which player was defensive back after round 3?
### Answer:
SELECT player FROM table_name_87 WHERE position = "defensive back" AND round > 3