Question: when did the song winchester cathedral come out
[{'answer': '1966', 'provenance': [{'wikipedia_id': '9787568', 'title': 'Winchester Cathedral (song)', 'start_paragraph_id': 1, 'start_character': 162, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9787568', 'title': 'Winchester Cathedral (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 185, 'bleu_score': 0.9364250605898111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9758251600680985850}, 'section': 'Section::::Abstract.'}]}]