Question: shinto became the main religion in japan during the ____ period
[{'answer': 'Meiji', 'provenance': [{'wikipedia_id': '28272', 'title': 'Shinto', 'start_paragraph_id': 24, 'start_character': 395, 'end_paragraph_id': 24, 'end_character': 400, 'bleu_score': 1.0, 'section': 'Section::::Theology and cosmology.:"Amenominakanushi".\n'}]}, {'provenance': [{'wikipedia_id': '28272', 'title': 'Shinto', 'start_paragraph_id': 154, 'start_character': 0, 'end_paragraph_id': 154, 'end_character': 679, 'bleu_score': 0.9812185674664711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10880860485411801744}, 'section': 'Section::::History.:State Shinto.\n'}]}]