Question: who played george foreman in the movie ali
[{'answer': 'Charles', 'provenance': [{'wikipedia_id': '171626', 'title': 'Ali (film)', 'start_paragraph_id': 54, 'start_character': 580, 'end_paragraph_id': 54, 'end_character': 587, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '171626', 'title': 'Ali (film)', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 46, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12844100720408503053}, 'section': 'Section::::Cast.:Supporting.\n'}]}]