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_47 (overall INTEGER, pick__number VARCHAR, position VARCHAR, round VARCHAR)
### Question:
Position of defensive tackle, and a Round of 4, and a Pick # smaller than 36 has what overall average?
### Answer:
SELECT AVG(overall) FROM table_name_47 WHERE position = "defensive tackle" AND round = 4 AND pick__number < 36