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_16 (opponent_number VARCHAR, date VARCHAR)
### Question:
Who was the opponent that played against the Buckeyes on October 17?
### Answer:
SELECT opponent_number FROM table_name_16 WHERE date = "october 17"