Question: when was the last time there was an eclipse in mexico
[{'answer': 'July 11 , 1991', 'provenance': [{'wikipedia_id': '21257251', 'title': 'Solar eclipse of July 11, 1991', 'start_paragraph_id': 1, 'start_character': 44, 'end_paragraph_id': 1, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21257251', 'title': 'Solar eclipse of July 11, 1991', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 506, 'bleu_score': 0.616897648960638, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3523388415564945190}, 'section': 'Section::::Abstract.'}]}]