Question: what is the average lifespan of a newfoundland
[{'answer': '-- 10 years (', 'provenance': [{'wikipedia_id': '349865', 'title': 'Newfoundland dog', 'start_paragraph_id': 12, 'start_character': 532, 'end_paragraph_id': 12, 'end_character': 542, 'bleu_score': 1.0, 'section': 'Section::::Description.:Health.\n'}]}]