Question: when did the right to be forgotten start
[{'answer': '2006', 'provenance': [{'wikipedia_id': '42396382', 'title': 'Right to be forgotten', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42396382', 'title': 'Right to be forgotten', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 376, 'bleu_score': 0.860163353996175, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4662535424591990116}, 'section': 'Section::::Abstract.'}]}]