Training:
  recommended_properties:
    url:
      datatype: TEXT
      description: 'The URL'
Results:
  description: "Results for a training"
  recommended_properties:
    year:
      datatype: INTEGER
    avg_score:
      description: The average score for the linked training.
      datatype: DOUBLE
Wrapper:
  recommended_properties:
    Training:
    Results:
      datatype: LIST<Results>