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_19517448_3 (yards_per_attempt VARCHAR, total_yards VARCHAR)
  ### Question:
  How many yards per attempt were there when total yards were 513?
  ### Answer:
  SELECT yards_per_attempt FROM table_19517448_3 WHERE total_yards = "513"