Question: who is the killer in the original scream movie
[{'answer': 'Billy Loomis', 'provenance': [{'wikipedia_id': '4288756', 'title': 'Ghostface (identity)', 'start_paragraph_id': 1, 'start_character': 315, 'end_paragraph_id': 1, 'end_character': 327, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Stu Macher', 'provenance': [{'wikipedia_id': '4288756', 'title': 'Ghostface (identity)', 'start_paragraph_id': 1, 'start_character': 347, 'end_paragraph_id': 1, 'end_character': 357, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4288756', 'title': 'Ghostface (identity)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 936, 'bleu_score': 0.907480645710897, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4459551715699139777}, 'section': 'Section::::Abstract.'}]}]