Question: what was the cause of the tollund man's death
[{'answer': 'hanging', 'provenance': [{'wikipedia_id': '30468', 'title': 'Tollund Man', 'start_paragraph_id': 9, 'start_character': 82, 'end_paragraph_id': 9, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Scientific examination and conclusions.\n'}]}, {'provenance': [{'wikipedia_id': '30468', 'title': 'Tollund Man', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 610, 'bleu_score': 0.955468993395951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2269253830748800072}, 'section': 'Section::::Scientific examination and conclusions.\n'}]}]