Question: when did the mental capacity act came into force
[{'answer': '2005', 'provenance': [{'wikipedia_id': '9346419', 'title': 'Mental Capacity Act 2005', 'start_paragraph_id': 0, 'start_character': 20, 'end_paragraph_id': 0, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9346419', 'title': 'Mental Capacity Act 2005', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 285, 'bleu_score': 0.9603762111511761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6844846350137390505}, 'section': 'Section::::Abstract.'}]}]