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_63 (usn_2013 INTEGER, cnn_2011 VARCHAR, bw_2013 VARCHAR, forbes_2011 VARCHAR)
  ### Question:
  What is the USN 2013 ranking with a BW 2013 ranking less than 1000, a Forbes 2011 ranking larger than 17, and a CNN 2011 ranking less than 13?
  ### Answer:
  SELECT SUM(usn_2013) FROM table_name_63 WHERE bw_2013 < 1000 AND forbes_2011 > 17 AND cnn_2011 < 13