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_15 (winning_team VARCHAR, date VARCHAR, winning_manufacturer VARCHAR, winning_driver VARCHAR)
### Question:
What is the winning team of the race on 31 August with Audi as the winning manufacturer and Timo Scheider as the winning driver?
### Answer:
SELECT winning_team FROM table_name_15 WHERE winning_manufacturer = "audi" AND winning_driver = "timo scheider" AND date = "31 august"