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_16 (pick INTEGER, overall VARCHAR, position VARCHAR, college VARCHAR)
### Question:
What is the maximum pick when WR was the position and Michigan the college, and the overall greater than 255?
### Answer:
SELECT MAX(pick) FROM table_name_16 WHERE position = "wr" AND college = "michigan" AND overall > 255