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_93 (year INTEGER, opponent VARCHAR)
  ### Question:
  Name the sum of year for penrith panthers opponent
  ### Answer:
  SELECT SUM(year) FROM table_name_93 WHERE opponent = "penrith panthers"