Question: who is fourth in line if the president dies
[{'answer': 'Secretary of State', 'provenance': [{'wikipedia_id': '174647', 'title': 'United States presidential line of succession', 'start_paragraph_id': 2, 'start_character': 453, 'end_paragraph_id': 2, 'end_character': 471, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]