Question: when did it become legal to own gold again
[{'answer': 'By 1975', 'provenance': [{'wikipedia_id': '1551612', 'title': 'Gold Reserve Act', 'start_paragraph_id': 3, 'start_character': 425, 'end_paragraph_id': 3, 'end_character': 432, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1551612', 'title': 'Gold Reserve Act', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 480, 'bleu_score': 0.9754554449993441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8608301915263749963}, 'section': 'Section::::Abstract.'}]}]