Question: which is the largest living animal on the earth
[{'answer': 'blue whale', 'provenance': [{'wikipedia_id': '20598041', 'title': 'Largest organisms', 'start_paragraph_id': 4, 'start_character': 84, 'end_paragraph_id': 4, 'end_character': 94, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20598041', 'title': 'Largest organisms', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 278, 'bleu_score': 0.8863990483446991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5764527852733949362}, 'section': 'Section::::Abstract.'}]}]