Question: who played malcolm x in the movie selma
[{'answer': 'Nigel Thatch', 'provenance': [{'wikipedia_id': '42873351', 'title': 'Selma (film)', 'start_paragraph_id': 39, 'start_character': 12, 'end_paragraph_id': 39, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '42873351', 'title': 'Selma (film)', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 37, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5683872597720224225}, 'section': 'Section::::Cast.\n'}]}]