Question: where was the day of the dead first celebrated
[{'answer': 'Mexico', 'provenance': [{'wikipedia_id': '52303', 'title': 'Day of the Dead', 'start_paragraph_id': 1, 'start_character': 66, 'end_paragraph_id': 1, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52303', 'title': 'Day of the Dead', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 304, 'bleu_score': 0.575328255069074, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17350131934404793497}, 'section': 'Section::::Observance in Mexico.:History.\n'}]}]