Question: when did women's suffrage start in america
[{'answer': 'nationally in 1920', 'provenance': [{'wikipedia_id': '3289982', 'title': "Women's suffrage in the United States", 'start_paragraph_id': 1, 'start_character': 224, 'end_paragraph_id': 1, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3289982', 'title': "Women's suffrage in the United States", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 242, 'bleu_score': 0.8424593739764531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10006613772566651708}, 'section': 'Section::::Abstract.'}]}]