text: 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_16677887_2 (opponent VARCHAR, bills_first_downs VARCHAR)
  ### Question:
  What team were the bills playing where their first down was 23?
  ### Answer:
  SELECT opponent FROM table_16677887_2 WHERE bills_first_downs = 23