Question: how long can a river otter stay under water
[{'answer': '4 minutes', 'provenance': [{'wikipedia_id': '1322292', 'title': 'North American river otter', 'start_paragraph_id': 38, 'start_character': 151, 'end_paragraph_id': 38, 'end_character': 160, 'bleu_score': 1.0, 'section': 'Section::::Behavior.:Hunting.\n'}]}, {'provenance': [{'wikipedia_id': '1322292', 'title': 'North American river otter', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 456, 'bleu_score': 0.735855806901615, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8938136084346464598}, 'section': 'Section::::Behavior.:Hunting.\n'}]}]