Question: when was the indian residential school settlement agreement signed
[{'answer': '2006', 'provenance': [{'wikipedia_id': '46893463', 'title': 'Indian Residential Schools Settlement Agreement', 'start_paragraph_id': 1, 'start_character': 512, 'end_paragraph_id': 1, 'end_character': 516, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46893463', 'title': 'Indian Residential Schools Settlement Agreement', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 705, 'bleu_score': 0.752359768735794, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1896115647644130203}, 'section': 'Section::::Abstract.'}]}]