Question: who gives expert view on the facts in their area of their expertise
[{'answer': 'An expert witness', 'provenance': [{'wikipedia_id': '10115', 'title': 'Expert witness', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10115', 'title': 'Expert witness', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 589, 'bleu_score': 0.979054689945215, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4799284785941239911}, 'section': 'Section::::Abstract.'}]}]