Question: when is el dia de la raza celebrated
[{'answer': 'October 12 , 1492', 'provenance': [{'wikipedia_id': '121439', 'title': 'Columbus Day', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 198, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]