Question: which animal was associated with the chicago cubs curse
[{'answer': 'Billy Goat', 'provenance': [{'wikipedia_id': '535759', 'title': 'Curse of the Billy Goat', 'start_paragraph_id': 0, 'start_character': 13, 'end_paragraph_id': 0, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '535759', 'title': 'Curse of the Billy Goat', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 0.847000421394383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6306965771362752613}, 'section': 'Section::::Abstract.'}]}]