Question: who killed jordan kalfus in man on fire
[{'answer': 'Samuel', 'provenance': [{'wikipedia_id': '525305', 'title': 'Man on Fire (2004 film)', 'start_paragraph_id': 3, 'start_character': 180, 'end_paragraph_id': 3, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]