Question: when did sutton coldfield become part of birmingham
[{'answer': '1974', 'provenance': [{'wikipedia_id': '367167', 'title': 'Sutton Coldfield', 'start_paragraph_id': 2, 'start_character': 104, 'end_paragraph_id': 2, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '367167', 'title': 'Sutton Coldfield', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 198, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1303615030112062175}, 'section': 'Section::::Abstract.'}]}]