Question: who was the killer in scream 2 movie
[{'answer': 'Mickey', 'provenance': [{'wikipedia_id': '600320', 'title': 'Scream 2', 'start_paragraph_id': 9, 'start_character': 355, 'end_paragraph_id': 9, 'end_character': 361, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Debbie Salt', 'provenance': [{'wikipedia_id': '600320', 'title': 'Scream 2', 'start_paragraph_id': 9, 'start_character': 62, 'end_paragraph_id': 9, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]