Question: was the most famous female orator of the farmer's alliance and populist party in the late 1800s
[{'answer': 'Mary Elizabeth Lease', 'provenance': [{'wikipedia_id': '394100', 'title': 'Mary Elizabeth Lease', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '394100', 'title': 'Mary Elizabeth Lease', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 708, 'bleu_score': 0.7337457952161771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11960836341382390772}, 'section': 'Section::::Abstract.'}]}]