Question: what type of bird is on mexico's flag
[{'answer': 'eagle', 'provenance': [{'wikipedia_id': '18955303', 'title': 'Flag of Mexico', 'start_paragraph_id': 2, 'start_character': 239, 'end_paragraph_id': 2, 'end_character': 244, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18955303', 'title': 'Flag of Mexico', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 957, 'bleu_score': 0.9752838020662411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8789996259359111544}, 'section': 'Section::::Abstract.'}]}]