Question: who is buried under the arc de triomphe de l'etoile
[{'answer': 'Unknown Soldier', 'provenance': [{'wikipedia_id': '2482', 'title': 'Arc de Triomphe', 'start_paragraph_id': 1, 'start_character': 725, 'end_paragraph_id': 1, 'end_character': 740, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2482', 'title': 'Arc de Triomphe', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 317, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15171945742109549226}, 'section': 'Section::::Design.:Tomb of the Unknown Soldier.\n'}]}]