Question: who formed part of the process of setting up the freedom charter
[{'answer': 'Z.K. Mathews', 'provenance': [{'wikipedia_id': '1099961', 'title': 'Freedom Charter', 'start_paragraph_id': 4, 'start_character': 451, 'end_paragraph_id': 4, 'end_character': 463, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Ethel Drus', 'provenance': [{'wikipedia_id': '1099961', 'title': 'Freedom Charter', 'start_paragraph_id': 4, 'start_character': 491, 'end_paragraph_id': 4, 'end_character': 501, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Alan Lipman', 'provenance': [{'wikipedia_id': '1099961', 'title': 'Freedom Charter', 'start_paragraph_id': 4, 'start_character': 518, 'end_paragraph_id': 4, 'end_character': 529, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': "Lionel `` Rusty '' Bernstein"}, {'provenance': [{'wikipedia_id': '1099961', 'title': 'Freedom Charter', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 588, 'bleu_score': 0.5154646978879021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 198107751268833528}, 'section': 'Section::::History.\n'}]}]