Question: who won the illinois senate seat in 1858
[{'answer': 'Stephen A. Douglas', 'provenance': [{'wikipedia_id': '447485', 'title': 'Lincoln–Douglas debates', 'start_paragraph_id': 38, 'start_character': 235, 'end_paragraph_id': 38, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Results.\n'}]}, {'provenance': [{'wikipedia_id': '447485', 'title': 'Lincoln–Douglas debates', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 760, 'bleu_score': 0.955333150841943, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1563775395647119224}, 'section': 'Section::::Results.\n'}]}]