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_17085981_2 (date_of_appointment VARCHAR, replaced_by VARCHAR)
  ### Question:
  How many appointment dates were recorded when Jürgen Kohler was the replaced by?
  ### Answer:
  SELECT COUNT(date_of_appointment) FROM table_17085981_2 WHERE replaced_by = "Jürgen Kohler"