Question: when did the national crime victimization survey begin
[{'answer': '1972', 'provenance': [{'wikipedia_id': '214548', 'title': 'National Crime Victimization Survey', 'start_paragraph_id': 2, 'start_character': 18, 'end_paragraph_id': 2, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '214548', 'title': 'National Crime Victimization Survey', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 169, 'bleu_score': 0.5575522031819401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5851795057479792145}, 'section': 'Section::::Abstract.'}]}]