Question: when did drafting for the vietnam war begin
[{'answer': '1965', 'provenance': [{'wikipedia_id': '549085', 'title': 'Draft lottery (1969)', 'start_paragraph_id': 4, 'start_character': 656, 'end_paragraph_id': 4, 'end_character': 660, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'provenance': [{'wikipedia_id': '549085', 'title': 'Draft lottery (1969)', 'start_paragraph_id': 4, 'start_character': 96, 'end_paragraph_id': 4, 'end_character': 877, 'bleu_score': 0.521851277598332, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13189800430605304549}, 'section': 'Section::::Origins.\n'}]}]