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_2 (date VARCHAR, edition VARCHAR, opponent VARCHAR)
  ### Question:
  When was the 1991 world group I with the opponent of Li Fang?
  ### Answer:
  SELECT date FROM table_name_2 WHERE edition = "1991 world group i" AND opponent = "li fang"