Question: where did the idea of free speech come from
[{'answer': "Athens ' democratic ideology"}, {'answer': 'The values of the Roman Republic'}, {'provenance': [{'wikipedia_id': '21401843', 'title': 'Freedom of speech', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 326, 'bleu_score': 0.8820568251238241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13137288642143449317}, 'section': 'Section::::Origins.\n'}]}]