Question: when did bournemouth change from hampshire to dorset
[{'answer': '1974', 'provenance': [{'wikipedia_id': '165530', 'title': 'Bournemouth', 'start_paragraph_id': 2, 'start_character': 466, 'end_paragraph_id': 2, 'end_character': 470, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '165530', 'title': 'Bournemouth', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 708, 'bleu_score': 0.7938754344444601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1333779259462858516}, 'section': 'Section::::Abstract.'}]}]