Question: who played lincoln in the 2012 film lincoln
[{'answer': 'United States President Abraham Lincoln'}, {'provenance': [{'wikipedia_id': '31724592', 'title': 'Lincoln (film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 651, 'bleu_score': 0.9141903869236321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14993953613608831192}, 'section': 'Section::::Abstract.'}]}]