Question: which party is the majority party in the senate
[{'answer': 'Republicans', 'provenance': [{'wikipedia_id': '46507', 'title': 'Party leaders of the United States Senate', 'start_paragraph_id': 5, 'start_character': 39, 'end_paragraph_id': 5, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Current floor leaders.\n'}]}, {'provenance': [{'wikipedia_id': '46507', 'title': 'Party leaders of the United States Senate', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 124, 'bleu_score': 0.6848075777090851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7581472547581366401}, 'section': 'Section::::Current floor leaders.\n'}]}]