Question: who had control of the senate in 2008
[{'answer': 'Democrats', 'provenance': [{'wikipedia_id': '1133844', 'title': '2008 United States Senate elections', 'start_paragraph_id': 3, 'start_character': 55, 'end_paragraph_id': 3, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1133844', 'title': '2008 United States Senate elections', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 895, 'bleu_score': 0.9866213202385071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11034915342192711323}, 'section': 'Section::::Abstract.'}]}]