Question: who played idi amin in the last king of scotland
[{'answer': 'Forest Whitaker', 'provenance': [{'wikipedia_id': '2528212', 'title': 'The Last King of Scotland (film)', 'start_paragraph_id': 2, 'start_character': 176, 'end_paragraph_id': 2, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2528212', 'title': 'The Last King of Scotland (film)', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 39, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13256666679851694813}, 'section': 'Section::::Cast.\n'}]}]