Question: who is the president in london has fallen
[{'answer': 'Aaron Eckhart', 'provenance': [{'wikipedia_id': '43222494', 'title': 'London Has Fallen', 'start_paragraph_id': 1, 'start_character': 267, 'end_paragraph_id': 1, 'end_character': 280, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43222494', 'title': 'London Has Fallen', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 1547, 'bleu_score': 0.917074093989353, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5054535415835510903}, 'section': 'Section::::Plot.\n'}]}]