Question: when did the london bridge moved to arizona
[{'answer': '1967', 'provenance': [{'wikipedia_id': '2023355', 'title': 'London Bridge (Lake Havasu City)', 'start_paragraph_id': 1, 'start_character': 161, 'end_paragraph_id': 1, 'end_character': 165, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2023355', 'title': 'London Bridge (Lake Havasu City)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 723, 'bleu_score': 0.984062469849008, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 934954401643072803}, 'section': 'Section::::Abstract.'}]}]