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_15187794_1 (round VARCHAR, circuit VARCHAR)
  ### Question:
  Which round was the circuit Assen
  ### Answer:
  SELECT round FROM table_15187794_1 WHERE circuit = "Assen"