Question: when did the reformation of the catholic church occur
[{'answer': '1517', 'provenance': [{'wikipedia_id': '37857', 'title': 'Reformation', 'start_paragraph_id': 1, 'start_character': 403, 'end_paragraph_id': 1, 'end_character': 407, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '1648', 'provenance': [{'wikipedia_id': '37857', 'title': 'Reformation', 'start_paragraph_id': 187, 'start_character': 35, 'end_paragraph_id': 187, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Conclusion and legacy.\n'}]}]