Question: who became the president of the new confederate states of america
[{'answer': 'Jefferson Davis', 'provenance': [{'wikipedia_id': '7023', 'title': 'Confederate States of America', 'start_paragraph_id': 3, 'start_character': 744, 'end_paragraph_id': 3, 'end_character': 759, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]