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_28 (diameter VARCHAR, year_of_issue VARCHAR)
  ### Question:
  Which Diameter has a Year of Issue of 1977?
  ### Answer:
  SELECT diameter FROM table_name_28 WHERE year_of_issue = 1977