Question: what is the role of acetylcholinesterase in the neuromuscular junction
[{'answer': 'to terminate synaptic transmission', 'provenance': [{'wikipedia_id': '14306436', 'title': 'Acetylcholinesterase', 'start_paragraph_id': 1, 'start_character': 390, 'end_paragraph_id': 1, 'end_character': 424, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14306436', 'title': 'Acetylcholinesterase', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 580, 'bleu_score': 0.9361374222844411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6917376387070381683}, 'section': 'Section::::Abstract.'}]}]