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_86 (border VARCHAR, background_colour VARCHAR, shape VARCHAR)
  ### Question:
  Which sign had a yellow background and a triangular shape?
  ### Answer:
  SELECT border FROM table_name_86 WHERE background_colour = "yellow" AND shape = "triangular"