Question: who killed wellington in the curious incident of the dog in the nighttime
[{'answer': "Christopher 's father , Ed", 'provenance': [{'wikipedia_id': '890626', 'title': 'The Curious Incident of the Dog in the Night-Time', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '890626', 'title': 'The Curious Incident of the Dog in the Night-Time', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 1055, 'bleu_score': 0.9323588825719651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10795494685654425841}, 'section': 'Section::::Plot.\n'}]}]