Question: who played the president in batman vs superman
[{'answer': 'Patrick Wilson', 'provenance': [{'wikipedia_id': '2619910', 'title': 'Batman v Superman: Dawn of Justice', 'start_paragraph_id': 25, 'start_character': 116, 'end_paragraph_id': 25, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '2619910', 'title': 'Batman v Superman: Dawn of Justice', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 828, 'bleu_score': 0.9854535765681661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15128561480753565571}, 'section': 'Section::::Cast.\n'}]}]