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_8 (round INTEGER, position VARCHAR, pick__number VARCHAR)
### Question:
Which round was the defensive tackle picked after 187?
### Answer:
SELECT AVG(round) FROM table_name_8 WHERE position = "defensive tackle" AND pick__number > 187