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_68 (year_named VARCHAR, name VARCHAR, diameter VARCHAR)
  ### Question:
  How many years is ur sulcus listed with a diameter less than 1,145.0?
  ### Answer:
  SELECT COUNT(year_named) FROM table_name_68 WHERE name = "ur sulcus" AND diameter < 1 OFFSET 145.0