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_97 (std_rank INTEGER, name VARCHAR, year VARCHAR)
  ### Question:
  How much Standard Rank has a Name of 311 south wacker drive, and a Year larger than 1990?
  ### Answer:
  SELECT SUM(std_rank) FROM table_name_97 WHERE name = "311 south wacker drive" AND year > 1990