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_5 (pick__number INTEGER, position VARCHAR, round VARCHAR)
### Question:
Before round 7, what is the greatest Pick # for a player that plays defensive tackle?
### Answer:
SELECT MAX(pick__number) FROM table_name_5 WHERE position = "defensive tackle" AND round < 7