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_42 (pos INTEGER, time VARCHAR)
### Question:
What position is associated with a Time of 20:39.171?
### Answer:
SELECT AVG(pos) FROM table_name_42 WHERE time = "20:39.171"