Question: when was the chinese exclusion act made permanent
[{'answer': '1902', 'provenance': [{'wikipedia_id': '55668', 'title': 'Chinese Exclusion Act', 'start_paragraph_id': 2, 'start_character': 279, 'end_paragraph_id': 2, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55668', 'title': 'Chinese Exclusion Act', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 602, 'bleu_score': 0.5320366921494181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4513635671184749522}, 'section': 'Section::::Abstract.'}]}]