Question: what movie was about the diamond trade in africa
[{'answer': 'Blood Diamond ( 2006 )'}, {'provenance': [{'wikipedia_id': '148635', 'title': 'Blood diamond', 'start_paragraph_id': 52, 'start_character': 0, 'end_paragraph_id': 52, 'end_character': 326, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16479624759317808694}, 'section': 'Section::::In popular culture.\n'}]}]