def _get_plot_title(target_name: str, last_observation_date: str,
                    eval_dataset_creation_date: str,
                    forecast_horizon: int) -> str:
  """Gets the title of the plot."""
  return (
      f"Comparison of metrics for predicting {target_name}. Forecast date: "
      f"{last_observation_date}, forecast horizon: {forecast_horizon} days, "
      f"evaluation reporting date: {eval_dataset_creation_date}.")