Question: who got murdered in fast and furious 4
[{'answer': 'Letty', 'provenance': [{'wikipedia_id': '15656621', 'title': 'Fast & Furious (2009 film)', 'start_paragraph_id': 1, 'start_character': 499, 'end_paragraph_id': 1, 'end_character': 504, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15656621', 'title': 'Fast & Furious (2009 film)', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 526, 'bleu_score': 0.979484453366057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13311531207981808730}, 'section': 'Section::::Plot.\n'}]}]