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_38 (area__km_2__ INTEGER, name VARCHAR, population__2011_ VARCHAR)
### Question:
For Stellenbosch, which has a population larger than 155,733, what is the average area?
### Answer:
SELECT AVG(area__km_2__) FROM table_name_38 WHERE name = "stellenbosch" AND population__2011_ > 155 OFFSET 733