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 (year INTEGER, position VARCHAR)
### Question:
What's the average Year for the Position of 7th (sf)?
### Answer:
SELECT AVG(year) FROM table_name_47 WHERE position = "7th (sf)"