Question: who was not allowed in the knights of labor
[{'answer': 'Bankers', 'provenance': [{'wikipedia_id': '17387', 'title': 'Knights of Labor', 'start_paragraph_id': 10, 'start_character': 538, 'end_paragraph_id': 10, 'end_character': 545, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'answer': 'doctors', 'provenance': [{'wikipedia_id': '17387', 'title': 'Knights of Labor', 'start_paragraph_id': 10, 'start_character': 547, 'end_paragraph_id': 10, 'end_character': 554, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'answer': 'lawyers', 'provenance': [{'wikipedia_id': '17387', 'title': 'Knights of Labor', 'start_paragraph_id': 4, 'start_character': 767, 'end_paragraph_id': 4, 'end_character': 774, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'answer': 'stockholders', 'provenance': [{'wikipedia_id': '17387', 'title': 'Knights of Labor', 'start_paragraph_id': 10, 'start_character': 565, 'end_paragraph_id': 10, 'end_character': 577, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'answer': 'liquor manufacturers', 'provenance': [{'wikipedia_id': '17387', 'title': 'Knights of Labor', 'start_paragraph_id': 10, 'start_character': 583, 'end_paragraph_id': 10, 'end_character': 603, 'bleu_score': 1.0, 'section': 'Section::::Origins.\n'}]}, {'provenance': [{'wikipedia_id': '17387', 'title': 'Knights of Labor', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 1564, 'bleu_score': 0.776717684687225, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8926017883817767151}, 'section': 'Section::::Origins.\n'}]}]