Question: which animal has sharp quills on its body
[{'answer': 'Porcupines', 'provenance': [{'wikipedia_id': '44668', 'title': 'Porcupine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44668', 'title': 'Porcupine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 520, 'bleu_score': 0.9583851861563841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2708348350226110988}, 'section': 'Section::::Abstract.'}]}]