Question: when did trolley buses stop running in newcastle
[{'answer': '2 October 1966'}, {'provenance': [{'wikipedia_id': '31211564', 'title': 'Trolleybuses in Newcastle upon Tyne', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 206, 'bleu_score': 0.8159566053788501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5926765623669298510}, 'section': 'Section::::Abstract.'}]}]