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_name_51 (opponent VARCHAR, record VARCHAR)
  ### Question:
  Which Opponent has a Record of 45–21–4?
  ### Answer:
  SELECT opponent FROM table_name_51 WHERE record = "45–21–4"