code: def _make_contact_point(dataset):
      
      keys = [k for k in ["contactPoint_fn", "contactPoint_hasEmail"]
              if k in dataset]
      if keys:
          dataset["contactPoint"] = {
              key.replace("contactPoint_", ""): dataset.pop(key) for key in keys
          }
      return dataset
docs: De estar presentes las claves necesarias, genera el diccionario
      "contactPoint" de un dataset.