Question: who made the movie birth of a nation
[{'answer': 'Nate Parker', 'provenance': [{'wikipedia_id': '46385738', 'title': 'The Birth of a Nation (2016 film)', 'start_paragraph_id': 1, 'start_character': 227, 'end_paragraph_id': 1, 'end_character': 238, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46385738', 'title': 'The Birth of a Nation (2016 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 671, 'bleu_score': 0.9486604584788991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2935120067719051252}, 'section': 'Section::::Abstract.'}]}]