Question: when is hispanic heritage month celebrated in the united states
[{'answer': 'September 15 to October 15', 'provenance': [{'wikipedia_id': '2675084', 'title': 'National Hispanic Heritage Month', 'start_paragraph_id': 1, 'start_character': 52, 'end_paragraph_id': 1, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2675084', 'title': 'National Hispanic Heritage Month', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13592278013289822918}, 'section': 'Section::::Abstract.'}]}]