Question: who are alabama’s senators on the national level
[{'answer': 'Luther Strange'}, {'answer': 'Richard Shelby', 'provenance': [{'wikipedia_id': '416328', 'title': 'List of United States Senators from Alabama', 'start_paragraph_id': 1, 'start_character': 306, 'end_paragraph_id': 1, 'end_character': 320, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '416328', 'title': 'List of United States Senators from Alabama', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 0.5119603371025251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15418754206061955865}, 'section': 'Section::::Abstract.'}]}]