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_21 (car__number INTEGER, winnings VARCHAR)
### Question:
What is the average car number of all the drivers who have won $111,683?
### Answer:
SELECT AVG(car__number) FROM table_name_21 WHERE winnings = "$111,683"