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_45 (surface VARCHAR, date VARCHAR, opponent_in_the_final VARCHAR)
  ### Question:
  What is Surface, when Date is less than 1979, and when Opponent in the Final is "Bill Scanlon"?
  ### Answer:
  SELECT surface FROM table_name_45 WHERE date < 1979 AND opponent_in_the_final = "bill scanlon"